• the Adult King Advancing, Followed by his Double
    the Adult King Advancing, Followed by his Double
  • WordNet 3.6
    • adj adult (of animals) fully developed "an adult animal","a grown woman"
    • adj adult designed to arouse lust "pornographic films and magazines","adult movies"
    • n adult any mature animal
    • n adult a fully developed person from maturity onward
    • ***

Additional illustrations & photos:

A pair of adult elephants A pair of adult elephants
An adult elephant with long tusks An adult elephant with long tusks
Larva, pupa, and adult of a Leaf Beetle Larva, pupa, and adult of a Leaf Beetle
The Ant Lion and adult The Ant Lion and adult
Young and adult bed-bug Young and adult bed-bug

Webster's Revised Unabridged Dictionary
  • Interesting fact: Infants spend more time dreaming than adults do
    • n Adult A person, animal, or plant grown to full size and strength; one who has reached maturity.☞ In the common law, the term is applied to a person who has attained full age or legal majority; in the civil law, to males after the age of fourteen, and to females after twelve.
    • a Adult Having arrived at maturity, or to full size and strength; matured; as, an adult person or plant; an adult ape; an adult age.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: An average adult produces about half a litre of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day
    • adult Having arrived at mature years, or attained full size and strength: as, an adult person, animal, or plant.
    • adult Pertaining or relating to adults; suitable for an adult: as, adult age; an adult school.
    • n adult A person or (sometimes) an animal grown to full size and strength; one who has reached the age of manhood or womanhood.
    • n adult Specifically: In civil law, a male infant who has attained the age of fourteen, or a female infant who has attained the age of twelve.
    • n adult In common law, one of the full age of twenty-one.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The number one cause of blindness in adults in the United States is diabetes
    • adj Adult ad-ult′ grown: mature
    • n Adult a grown-up person
    • ***


  • Simone De Beauvoir
    “What is an adult? A child blown up by age.”
  • Lewis B Hershey
    Lewis B Hershey
    “A boy becomes an adult three years before his parents think he does, and about two years after he thinks he does.”
  • Jean Rostand
    “To be adult is to be alone.”
  • Thomas Szasz
    “A child becomes an adult when he realizes that he has a right not only to be right but also to be wrong.”
  • Ralph Waldo Emerson
    “Infancy conforms to nobody: all conform to it, so that one babe commonly makes four or five out of the adults who prattle and play to it.”
  • John Updike
    “A healthy male adult bore consumes each year one and a half times his own weight in other people's patience.”


Webster's Revised Unabridged Dictionary
L. adultus, p. p. of adolescere, akin to alere, to nourish: cf. F. adulte,. See Adolescent Old


In literature:

On June 22, 1956, 13 pups and 7 adult prairie dogs were released in an enclosure in Morfield Canyon.
"Mammals of Mesa Verde National Park, Colorado" by Sydney Anderson
Lectures and books are already reaching large numbers of adults.
"Sex-education" by Maurice Alpheus Bigelow
Bright child, bright adult; dull child, dull adult.
"Psychology" by Robert S. Woodworth
It passes the winter in the adult state and begins laying eggs about June 1, continuing until late in August.
"The Apple" by Various
Their experience cannot be that of an adult, for they have not his insight.
"Training the Teacher" by A. F. Schauffler
The trainer of adult voices has constantly before him the problem of making his pupils sing in tune.
"The Boy's Voice" by J. Spencer Curwen
The resisting power of the adult brain is quite as remarkable as the assimilating power of the immature brain.
"The Intellectual Life" by =Philip Gilbert Hamerton
The amount of sleep necessary gradually diminishes, but during all the years of growth a child needs more sleep than an adult.
"American Red Cross Text-Book on Home Hygiene and Care of the Sick" by Jane A. Delano
Let the adults of to-day state the case of their day.
"Seven Graded Sunday Schools" by Various
The average price of an adult body was stated to be L4 4s.
"The Diary of a Resurrectionist, 1811-1812" by James Blake Bailey

In poetry:

Adult and child
sink to their rest.
At sea the big ship sinks and dies,
lead in its breast.
"Songs for a Colored Singer" by Elizabeth Bishop
Joseph, because the Deity he prais'd,
And wou'd not an adult'rous wife embrace,
Was from a dark and dismal dungeon rais'd,
And made chief ruler over Egypt's race.
"Advice To Serve God" by Rees Prichard
The law of God enjoin'd, in words express,
To stone the man and woman both, outright,
Who shou'd this positive command transgress:
So hateful is adult'ry in his sight!
"Advice And Warning To The Adulterer" by Rees Prichard
The Pharisees, who gave not their assent,
That they shou'd suffer for th' unseemly fault,
Who did revile their elders, did consent
To slay the woman in adult'ry caught.
"Advice And Warning To The Adulterer" by Rees Prichard
Preserve me from the snares by robbers spread,
O'erflowing rivers, villains that beguile,
A life corrupt, and an adult'rous bed,
The dangers of the road, and comrades vile.
"The Traveller's Prayer" by Rees Prichard
How odious all Adult'ry is, observe!
How hateful sin is in the sight of God!
Since nothing less, to punish it, wou'd serve
Than that wide deluge, which the world o'erflow'd.
"Stanza's Concerning Some Persons And Things, That Are Mentioned In The Holy Scriptures" by Rees Prichard

In news:

I always think the universe does a neat trick when a person's name predicts the vocation he or she takes as an adult.
Among young adults 25 to 29, the most mobile age group, moves also increased to 24.6 percent from a low of 24.1 percent in the previous year.
More young adults are leaving their parents' homes to take a chance with college or a job.
WASHINGTON—More young adults are leaving their parents' homes to take a chance with college or a job.
Signs of economy bottoming out as mobility rises, fewer young adults live with parents.
The largest slug I've found was about the size of an adult woman's index finger.
Bowling League Adult and Youth Scores.
Adult and Youth Bowling League Scores.
Twin Falls, Idaho (KMVT-TV) A Twin Falls bowling alley is reaching out to special needs adults.
The adult box elder is about ½ inch long and can more of a grey-black in color with three red stripes behind the head and more additional red lines on the wings.
At age 9, pianist astonishes adults with keyboard prowess.
Johannes Brahms 's "Ein deutsches Requiem" has been Norman Scribner's lodestar for his entire adult life.
An awesome appetizer or delicious snack, this unique pizza bread recipe is great for adults and children alike.
High levels of air pollution may reduce older adults' mental abilities, according to a new study.
Middle-Aged Adults Who Cycle or Stretch Improve Memory.

In science:

The present study was conducted in 2003 on 7 adult mallard pairs obtained from the registered breeding field station of the Canarderie de la Ronde (Cère la Ronde, France).
Post-hatching parental care behaviour and hormonal status in a precocial bird
In those precocial species, although prolactin concentration is set at a lower level than during incubation, it remains higher than in adults not rearing young.
Post-hatching parental care behaviour and hormonal status in a precocial bird
Testing the dispersion of juveniles relative to adults: A new analytical method.
A New Family of Random Graphs for Testing Spatial Segregation
Testing the dispersion of juveniles relative to adults: A new analytical method.
Overall and Pairwise Segregation Tests Based on Nearest Neighbor Contingency Tables
A number of recent articles have investigated the prognostic relevance of the BCR/ ABL fusion in adult ALL of the B-cell lineage .
Multiple tests of association with biological annotation metadata