• WordNet 3.6
    • adj false (used especially of persons) not dependable in devotion or affection; unfaithful "a false friend","when lovers prove untrue"
    • adj false arising from error "a false assumption","a mistaken view of the situation"
    • adj false adopted in order to deceive "an assumed name","an assumed cheerfulness","a fictitious address","fictive sympathy","a pretended interest","a put-on childish voice","sham modesty"
    • adj false inaccurate in pitch "a false (or sour) note","her singing was off key"
    • adj false designed to deceive "a suitcase with a false bottom"
    • adj false not genuine or real; being an imitation of the genuine article; it's real synthetic fur" "it isn't fake anything","faux pearls","false teeth","decorated with imitation palm leaves","a purse of simulated alligator hide"
    • adj false inappropriate to reality or facts "delusive faith in a wonder drug","delusive expectations","false hopes"
    • adj false deliberately deceptive "false pretenses"
    • adj false not in accordance with the fact or reality or actuality "gave false testimony under oath","false tales of bravery"
    • adj false erroneous and usually accidental "a false start","a false alarm"
    • adv false in a disloyal and faithless manner "he behaved treacherously","his wife played him false"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: In 1985, a pregnant women was falsely accused of shoplifting a basketball
    • False Not according with truth or reality; not true; fitted or likely to deceive or disappoint; as, a false statement.
    • False Not essential or permanent, as parts of a structure which are temporary or supplemental.
    • False Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous; perfidious; as, a false friend, lover, or subject; false to promises. "I to myself was false , ere thou to me."
    • False Not genuine or real; assumed or designed to deceive; counterfeit; hypocritical; as, false tears; false modesty; false colors; false jewelry. "False face must hide what the false heart doth know."
    • False (Mus) Not in tune.
    • adv False Not truly; not honestly; falsely. "You play me false ."
    • False Not well founded; not firm or trustworthy; erroneous; as, a false claim; a false conclusion; a false construction in grammar. "Whose false foundation waves have swept away."
    • False To betray; to falsify. "He] hath his truthe falsed in this wise."
    • False To feign; to pretend to make. "And falsed oft his blows."
    • False To mislead by want of truth; to deceive. "In his falsed fancy."
    • False To report falsely; to falsify.
    • False Uttering falsehood; unveracious; given to deceit; dishnest; as, a false witness.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: False eyelashes were invented by film director D.W. Griffith while he was making the 1916 epic, "Intolerance." He wanted actress Seena Owen to have lashes that brushed her cheeks.
    • false Not in conformity with fact; expressing or comprising what is contrary to fact or truth; erroneous; untrue: as, a false report; a false accusation; a false opinion.
    • false Giving utterance to what is not true; untruthful; mendacious: as, a false witness.
    • false Perfidious; treacherous; unfaithful; inconstant; disloyal; dishonest; unjust: said of persons.
    • false Containing or conveying deception, falsehood, or treachery; adapted or intended to mislead: said of things.
    • false Irregular; not according to rule or usage: as, false syntax or quantity.
    • false Not genuine; being other than it appears to be; not real; made in imitation, or to serve the purpose of the genuine article
    • false with intent to defraud or deceive; spurious: as, false coin;
    • false for the sake of mere appearance or for use or convenience; artificial: as, a false buttonhole; false teeth.
    • false Technically, in botany and zoology, having some superficial resemblance to some other plant or animal: used like the Latin quasi-, or Greek pseudo-, in composition. See quasi-, pseudo-.
    • false In music, not in tune; inaccurate in pitch; singing or playing out of tune.
    • false In heraldry, open or voided: said of some bearings: as, a false cross; a false roundel (an annulet); a false escutcheon (a bordure, or sometimes an orle).
    • false In fortification, an artificial mound or bank of earth forming part of a fortification.
    • n false A falsehood; that which is false.
    • false Falsely.—To play false, to play one false to act falsely or treacherously in regard to something, or toward a person; use deceptive or perfidious methods or practices; be untrue to one.
    • false To mislead by falsehood; deceive; betray.
    • false To defeat; balk; evade.
    • false To violate by want of veracity; falsify.
    • false To render false, treacherous, or dishonest.
    • false To feign, as a blow; aim by way of a feint.
    • false To be false; deceive; practise deceit.
    • false Additional; assistant; subsidiary; supplementary; temporary; used to supplement or temporarily displace something: as, the false work or supports for a bridge which is under construction.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: In Vermont women must obtain written permission from their husbands to wear false teeth.
    • adj False fawls deceptive or deceiving: untruthful: unfaithful to obligations: untrue: not genuine or real, counterfeit: hypocritical: not well founded, or not according to rule: artificial, as opposed to natural, of teeth, &c
    • adv False incorrectly: faithlessly
    • n False (Shak.) falsehood: untruth
    • v.t False (Shak.) to betray
    • ***


  • William Shakespeare
    “In a false quarrel there is no true valor.”
  • Charles Kingsley
    “There are two freedoms -- the false, where a man is free to do what he likes; the true, where he is free to do what he ought.”
  • William A. Sunday
    William A. Sunday
    “If there is no Hell a good many preachers are obtaining money under false pretenses.”
  • Soupy Sales
    Soupy Sales
    “Be true to your teeth and they won't be false to you.”
  • Katherine Mansfield
    “If only one could tell true love from false love as one can tell mushrooms from toadstools.”
  • Marcus Antonius
    Marcus Antonius
    “Opinion is the main thing which does harm or good in the world. It is our false opinions that ruin us.”


Sail under false colours - Someone who sails under false colours (colors) is hypocritical or pretends to be something they aren't in order to deceive people.
Under false colours - If someone does something under false colours/colors, they pretend to be something they are not in order to deceive people so that they can succeed.


Webster's Revised Unabridged Dictionary
L. falsus, p. p. of fallere, to deceive; cf. OF. faus, fals, F. faux, and AS. fals, fraud. See Fail Fall


In literature:

Your secluded life has made you lay such false stress on a few things.
"Romola" by George Eliot
And this means that a delusion may be as widespread as truth, a false inference may gain as general an acceptance as a true one.
"Theism or Atheism" by Chapman Cohen
The false traitor slew both the maidens, and would have slain the boy, but for pity he would not kill the child with his own hands.
"Hero-Myths & Legends of the British Race" by Maud Isabel Ebbutt
But it must be owned, that even his great qualities were causes of the false judgment of the world upon him.
"My Recollections of Lord Byron" by Teresa Guiccioli
False to him I have been; false to my own sex; false, very false to my own inner self; but never false to you.
"The Bertrams" by Anthony Trollope
Mr. Force watched his wife and daughter very anxiously, and drew his own conclusions from the false premises laid down by Col. Anglesea.
"Her Mother's Secret" by Emma D. E. N. Southworth
Don't let him keep silent under any false notion of honour.
"The Hero of Garside School" by J. Harwood Panting
She had taken him in and obtained his confidence under false pretences.
"The Vicar of Bullhampton" by Anthony Trollope
But there is also a false basis of distinction; namely, the power held over those who earn wealth by those who levy or exact it.
"The Crown of Wild Olive" by John Ruskin
These two journalists were false reporters, but they were true translators.
"What I Saw in America" by G. K. Chesterton
At any rate, you must admit, Mamma, that he is not false.
"Sir Harry Hotspur of Humblethwaite" by Anthony Trollope
In joining Lord Reckage's Committee, they found themselves again, as they believed, in a false position.
"Robert Orange" by John Oliver Hobbes
But this false security proves the squirrel's ruin.
"The Wild Huntress" by Mayne Reid
He would break the charm under which false prophets held the souls of men in bondage.
"Critical and Historical Essays, Volume III (of 3)" by Thomas Babington Macaulay
But don't you feel that you are in a very false position?
"The Cryptogram" by James De Mille
The principle is too often lost sight of through hypocrisy and false love.
"Epistle Sermons, Vol. II" by Martin Luther
I have been reproached for having related several false histories, several doubtful facts, and several fabulous events.
"The Phantom World" by Augustin Calmet
But this must be said to him, that he is not to deceive himself with a false, imaginary faith.
"The Epistles of St. Peter and St. Jude Preached and Explained" by Martin Luther
It contains likewise a fraudulent meanness; for, in order to justify a barbarous conclusion, you have advanced a false position.
"The Writings Of Thomas Paine, Complete" by Thomas Paine
Had she been false-minded she had not courage to be false.
"Lady Anna" by Anthony Trollope

In poetry:

God is a zealous pruner,
For He knows--
Who, falsely tender, spares the knife
But spoils the rose.
"The Pruner" by John Oxenham
'He is not false, but he was young
And time rolls fast away.
Has he forgotten the vow he made
To meet me here today?
"Alexander And Zenobia" by Anne Bronte
Who never did a slander forge
His neighbor's fame to wound;
Nor hearken to a false report
By malice whispered round.
"A Gentleman" by Horatius Bonar
'O false and fickle Nelly Gray!
I know why you refuse:
Though I've no feet, some other man
Is standing in my shoes.'
"Faithless Nelly Gray" by Thomas Hood
"He robbyt me and my felowes bothe
Of xx marke in serten;
If that false owtlay be takyn,
For sothe we wolde be fayne."
"Robin Hood And The Monk" by Andrew Lang
"My father was an aged knighte,
And yet it chanced soe,
He tooke to wife a false ladye,
Whiche broughte me to this owe.
"The Marriage of Sir Gawaine" by Anonymous British

In news:

The owner of a Columbiana recycling business this week filed a lawsuit against the city of Columbiana, claiming city officials have interfered with his business and falsely imprisoned him on what they deemed a zoning violation.
Sheriff Ross Mirkarimi on Monday reached a plea bargain, admitting to a misdemeanor charge of false imprisonment .
Mirkarimi pleads guilty to false imprisonment .
Penn Valley Man Arrested for False Imprisonment and Abuse.
Man Arrested for False Imprisonment and Felony Vandalism.
Man gave false name , had heroin and hypodermic needle, Pequannock cops say.
Man used false name during traffic stop.
An East Naples man who is accused of giving Collier County sheriff's deputies a false name during a traffic stop was arrested after a deputy matched his face to prior mug shots and photos of his tattoos.
False pregnancy in dogs is common.
FAYETTE — A Natchez woman faces up to 20 years in prison after being convicted of two counts false pretense in Jefferson County.
MYRTLE BEACH It's probably not the most urgent investigation on the Myrtle Beach Police Department to-do list, but authorities did respond to a " false pretense /swindle" report at the Waffle House at -- 2811 S Kings Hwy.
Conspiring to have sex under false pretenses .
Bill passes to ban farm photos under ' false pretenses .
Districts deal with students enrolled under false pretenses .
Georgia man fears dog ate false teeth .

In science:

Unfortunately this is false, as illustrated in Figure 10.
When Can You Fold a Map?
Since the spatial-matching requirement greatly reduces the number of pixels being searched, the statistically expected number of false cross-band matches obtained in this manner is very small.
The Chandra Deep Survey of the Hubble Deep Field North Area. IV. An Ultradeep Image of the HDF-N
As such, one must be cautious of instrumental effects and other potential problems that could lead to false source detections in the stacked images.
The Chandra Deep Survey of the Hubble Deep Field North Area. IV. An Ultradeep Image of the HDF-N
With two exceptions, detections are at the 1 × 10−7 false-positive probability level using either the standard ASCA grade set or the restricted ACIS grade set.
The Chandra Deep Survey of the Hubble Deep Field North Area. IV. An Ultradeep Image of the HDF-N
False colors are scaled to the logarithm of the transfer function, which shows 6 orders of magnitude.
Multiscale Gaussian Random Fields for Cosmological Simulations
False colors are scaled to linear values ranging from ±2 standard deviations of ξ1 .
Multiscale Gaussian Random Fields for Cosmological Simulations
False colors are scaled to linear values ranging from ±2 standard deviations for the left panel.
Multiscale Gaussian Random Fields for Cosmological Simulations
False colors are scaled to linear values ranging from ±2 standard deviations.
Multiscale Gaussian Random Fields for Cosmological Simulations
False colors are scaled to linear values ranging from ±2 standard deviations of the high-resolution fields.
Multiscale Gaussian Random Fields for Cosmological Simulations
The false colors are scaled to σ/10 where σ is the standard deviation.
Multiscale Gaussian Random Fields for Cosmological Simulations
They are, in effect, misconceptions, derived from no longer valid assumptions, as discussed in §1, which lead their authors to false problems.
The Apparent Fractal Conjecture: Scaling Features in Standard Cosmologies
If it is not possible to write w = w ′w′′ for some positive braid word w′′ , the function will return false.
Identifying Half-Twists Using Randomized Algorithm Methods
The function A returns true if w is conjugated to a half-twist in some positive power and false otherwise.
Identifying Half-Twists Using Randomized Algorithm Methods
In some cases, although its input w is a half-twist in some positive power, our algorithm will return false.
Identifying Half-Twists Using Randomized Algorithm Methods
Output : true - if the element is a half-twist to the k th power, false if the element is not a half-twist to the k th power. c - the generator for which we found the conjugacy, q - a braid word which conjugate w to c (i.e., q−1wq = ck ).
Identifying Half-Twists Using Randomized Algorithm Methods