• WordNet 3.6
    • adj valid still legally acceptable "the license is still valid"
    • adj valid well grounded in logic or truth or having legal force "a valid inference","a valid argument","a valid contract"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Eli Whitney made no money from the cotton gin because he did not have a valid patent on it.
    • Valid (Law) Having legal strength or force; executed with the proper formalities; incapable of being rightfully overthrown or set aside; as, a valid deed; a valid covenant; a valid instrument of any kind; a valid claim or title; a valid marriage.
    • Valid Having sufficient strength or force; founded in truth; capable of being justified, defended, or supported; not weak or defective; sound; good; efficacious; as, a valid argument; a valid objection. "An answer that is open to no valid exception."
    • Valid Strong; powerful; efficient. "Perhaps more valid arms . . . may serve to better us."
    • ***
Century Dictionary and Cyclopedia
    • valid Strong: powerful; efficient.
    • valid Sufficiently supported by fact; well-grounded; sound; just; good: capable of being justified or defended; not weak or defective: as, a valid reason; a valid objection.
    • valid Good or sufficient in point of law; efficacious; executed with the proper formalities; incapable of being rightfully overthrown or set aside; sustainable and effective in law, as distinguished from that which exists or took place in fact or appearance, but has not the requisites to entitle it to be. recognized and enforced by law: as, a, valid deed; a valid covenant; a valid instrument of any kind; a valid claim or title; a valid marriage; a valid ordination.—4. In zoology and hot., having sufficient classificatory strength or force; scientifically founded or well-grounded; securely established: as, a valid family, genus, or species; & valid classification.
    • valid In logic, having, as an argument, that degree of formal strength and truth that it professes to have.
    • valid In chem., having valence: chiefly used in composition, as in univalid for univalent, etc. Synonyms Solid, weighty, sufficient.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Valid val′id strong: having sufficient strength or force: founded in truth: sound: conclusive:
    • adj Valid val′id (law) executed with the proper formalities: legal: rightful
    • ***


  • Uta Hagen
    Uta Hagen
    “More than in any other performing arts the lack of respect for acting seems to spring from the fact that every layman considers himself a valid critic.”
  • William James
    “If merely feeling good could decide, drunkenness would be the supremely valid human experience.”
  • Gaston Bachelard
    “Ideas are invented only as correctives to the past. Through repeated rectification of this kind one may hope to disengage an idea that is valid.”
  • Oliver Wendell Holmes
    “A new and valid idea is worth more than a regiment and fewer men can furnish the former than command the latter.”
  • Sir Alfred Jules Ayer
    Sir Alfred Jules Ayer
    “While moral rules may be propounded by authority the fact that these were so propounded would not validate them.”
  • Susan Sontag
    “Although none of the rules for becoming more alive is valid, it is healthy to keep on formulating them.”


Webster's Revised Unabridged Dictionary
F. valide, L. validus, strong, from valere, to be strong. See Valiant
Chambers's Twentieth Century Dictionary
Fr.,—L. validusvalēre, to be strong.


In literature:

And there is a spiritual principle here, a principle still valid for every priest of the Most High God.
"The Pursuit of God" by A. W. Tozer
Your Writ has been valid since it was issued, as is whatever you have done or will do under it.
"The Alembic Plot" by Ann Wilson
The excuse might be perfectly valid in some cases, but it often sanctioned a serious error.
"The English Utilitarians, Volume II (of 3)" by Leslie Stephen
The will was as valid as care and law could make it, and the ex-solicitor-general knew very well that it was valid.
"The Bertrams" by Anthony Trollope
The Assembly of the People now vanishes quite out of sight, it has indeed no valid ground of being.
"Homer's Odyssey" by Denton J. Snider
The real causes, however, which kept the government in office, were gradually losing their validity.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2" by Various
He was in favor of the validity of the election.
"The Great Events by Famous Historians, Volume 07" by Various
What is their origin, and what their validity?
"Christianity and Greek Philosophy" by Benjamin Franklin Cocker
Its sacredness is in the law that no sacrifice is valid unless the sacrificer lay his hand upon the head of the victim.
"The World I Live In" by Helen Keller
The law was framed to validate a procedure more or less established by mining custom.
"The Economic Aspect of Geology" by C. K. Leith
Parliament decided at one time that this marriage was not valid; at another time, subsequently, they decided that it was.
"Mary Queen of Scots, Makers of History" by Jacob Abbott
They hold positively and explicitly, that the remaining NINE COUNTS WERE PERFECTLY VALID.
"Blackwood's Edinburgh Magazine, Volume 56, Number 349, November, 1844" by Various
She likewise aimed at making Mary submit the validity of her claim to its previous decision.
"A History of England Principally in the Seventeenth Century, Volume I (of 6)" by Leopold von Ranke
Its mere legal form can but increase its validity, not create it.
"Social Life" by Maud C. Cooke
There are many biologists who are at present expressing serious doubt as to the validity of sexual selection.
"The Meaning of Evolution" by Samuel Christian Schmucker
But he bequeathed a valid idea.
"The Paliser case" by Edgar Saltus
However great may be the necessary restrictions of this general axiom, it must be recognized as valid in principle.
"The Sexual Question" by August Forel
He had to find the right answer before Oglethorpe and his kind found some flimsy validation for the one they had already chosen long ago.
"Human Error" by Raymond F. Jones
For a thing to be valid, says Lotze, is the same as to make itself valid.
"Essays in Radical Empiricism" by William James
A marriage that is valid by the law of the state where it was made, is valid everywhere.
"Putnam's Handy Law Book for the Layman" by Albert Sidney Bolles

In news:

GAB staff finds more than 900,000 valid signatures to recall Walker.
He proposes that people who visit the pier restaurant or bait shop get the ticket validated and pay nothing.
Digital gene discovery integrated with targeted validation and in-depth analysis.
It is a surprising step validating a concept once considered wacky.
He should have said with whom, of course, but the political point is valid: between campaigns, those polled tend to judge incumbents in a vacuum.
In the days following Superior Seafood and Oyster Bar's January opening, even the drive-by reports validated the power of the restaurant's appearance.
Further research showed there was no validity to the claim that Egypt was considering a "sex after death" law.
A federal court has ruled against the US Environmental Protection Agency (EPA) saying the agency overstepped its authority by revoking a valid wetlands permit from a West Virginia mining operation.
Voters will decide whether Millcreek Township will become a city now that the Salt Lake County Council has certified that backers collected enough valid signatures to place the question on the ballot this fall.
Is there any valid explanation for the Burger King sale: Cheeseburger: $.49 Double Cheeseburger: $.99 Triple Cheeseburger: $1.49.
On July 23, 2010, my cell was searched and three boxes of my property – legal material, books, notes and personal writings – were confiscated and turned over to Institutional Gang Investigations (IGI) for possible gang validation.
We've got your free tickets here - enter to win with a valid email address.
I t was a valid point.
In the 1800s, two French observers of political economy made statements that are validated by present day experience.
Viisage document authentication solution to validate travelers documents at airports, seaports and land borders.

In science:

These conservation properties are valid considering generally time varying p(µ), V (φ), ω (φ), and f (φ, R) [F (φ) for ϕδφ and f (R) for ϕδF ], thus are valid independently of changes in underlying gravity theory.
Inflationary spectra in generalized gravity: Unified forms
Such a path will be called T -valid or valid for T .
An algorithm to generate exactly once every tiling with lozenges of a domain
Valid Cherenkov pattern: At least three valid Cherenkov photon hits, i.e., below the upper limit in amplitude, which depends on the particule charge.
Experimental study of a proximity focusing Cherenkov counter prototype for the AMS experiment
In addition to (29), valid for z ∈ [tδ, t(1 − δ)], we will also use a cruder bound, valid for all 0 ≤ z ≤ t.
Random k-SAT: Two Moments Suffice to Cross a Sharp Threshold
Then the standard module conjecture is valid for G if and only if it is valid for G′ .
Generic Transfer for General Spin Groups
Propositions 4.1 and 4.2 are valid for such modules, since they are valid for generic element of c∗ .
Quantum conjugacy classes of simple matrix groups
An inequality b · p ≥ b0 valid for B is also clearly valid for Bm+1 .
Lifting Bell inequalities
In particular, the integral Yt is defined as a continuous operator D → H into the Hilbert space H if this analytical estimate is valid for p = 0, ξ = 1/3 and some q , ζ , and it is a strongly continuous operator, Yt ∈ L (D), if it is also valid for any p < 0, ξ < 1/3.
Quantum Stochastic Positive Evolutions: Characterization, Construction, Dilation
For instance, in the Tweety Diagram, see Diagram 2.1, if there were a node b′ between b and d, we will need the path c → b → b′ to be valid, (obvious) validity of the arrow c → b will not suffice.
Remarks on Inheritance Systems
The equivalence of LCC (19) with the standard one follows from the fact that, for the validity of usual LCC its validity on arbitrary small spatially divided domains is sufficient (see , Proposal 9.12).
Classical Theorems in Noncommutative Quantum Field Theory
However, even if the SUGRA description in terms of the scalar potential is not valid at the minimum, it still can be valid at large τ , exactly where we wish to realize inflation.
Roulette Inflation with K\"ahler Moduli and their Axions
Key to our analysis is Lemma 4.12 below, stating that every valid (n, d, β )-ToPC has a large number of consistent valid (n, d)-ToCs, and moreover, the names of the tails of these ToCs are nearly-uniformly distributed.
Paths Beyond Local Search: A Nearly Tight Bound for Randomized Fixed-Point Computation
We say that a partial assignment is valid for a formula (or just “valid”) if it is valid for all of its clauses.
On the Satisfiability Threshold and Clustering of Solutions of Random 3-SAT Formulas
We should emphasize that this statement need not be valid for the ¯f (N , s) specific to Gσ (k; z ), Eq. (C.20); it only exactly applies for those ¯f (N , s) for which the ansatz in Eq. (C.25) is valid for the set of s whose corresponding Es (N0 ) are inside some neighbourhood of E (N0 ).
On the Luttinger theorem concerning number of particles in the ground states of systems of interacting fermions
Since (42) is valid for s, t ∈ [0, T ] \ S (note that this set is dense and contains T ) and since the processes are at least right continuous, (42) remains valid on the whole interval [0, T ].
Stochastic Homogenization of Reflected Diffusion Processes