adult 1 of 2

noun

Definition of adultnext
as in grown-up
a fully grown person at the beach, the adults sat under broad umbrellas while the children splashed in the water

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

adult

2 of 2

adjective

ə-ˈdəlt How to pronounce adult (audio)
1
as in mature
relating to or typical of adults; displaying proper maturity an adult reaction to the issue

Synonyms & Similar Words

Antonyms & Near Antonyms
2
as in pornographic
dealing in or with explicitly sexual material an adult magazine

Synonyms & Similar Words

Antonyms & Near Antonyms
3
as in matured
fully grown or developed insects that are butterflies in their adult stage

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of adult
Noun
Sports bettors are therefore adults, and the law generally expects adults to possess greater maturity and self-control than minors. — Michael McCann, Sportico.com, 1 Sep. 2026 That's what happened when Kerr stumbled upon the three grizzly bears, and the adult female wasn't pleased to see him. — David Hookstead Outkick, FOXNews.com, 1 Sep. 2026
Adjective
Justin Vernon’s midwestern charm and pliable falsetto has always endeared him to indie-rock dads raised on Michael McDonald, but starting a family himself between Bon Iver projects turned this year’s Sable, Fable into a deep examination of the fatherly adult contemporary figure in popular music. — Craig Jenkins, Vulture, 2 Dec. 2025 Corrigan has also appeared in independent non-adult films such as Chillerama and appeared in Gus Van Sant’s Harvey Milk biopic Milk. — Mathew Rodriguez, Them., 29 Oct. 2025 See All Example Sentences for adult
Recent Examples of Synonyms for adult
  1. grown-up
  2. mature
  3. pornographic
  4. matured
  5. elder
  6. erotic
  7. ripe
Noun
  • Reportedly shot for less than $100,000, this tale of Pooh and Piglet all grown-up and running amok recently opened to box office success in Mexico and is currently playing on cinema screens around America.
    — Clark Collis, EW.com, 16 Feb. 2023
Definition of grown-up
Adjective
  • Photos taken before the cutting show a row of mature mahogany trees growing along the highway corridor.
    — Abby Dodge, Miami Herald, 29 Aug. 2026
  • Out front, two mature sycamore trees frame the house in almost perfect symmetry, reinforcing the sense that 901 Sonoma Way is both composed and inviting.
    — David Caraccio, Sacbee.com, 29 Aug. 2026
Definition of mature
Adjective
  • The sheriff’s office said Ahlers had hundreds, and possibly thousands, of pornographic photos and videos of children on his hard drive.
    — Steven Walker, The Orlando Sentinel, 24 Aug. 2026
  • The employees also sent pornographic magazines with David Steiner’s name to a neighbor’s home and planned to install a GPS device on the couple’s car.
    — Leah Willingham, Los Angeles Times, 29 July 2026
Definition of pornographic
Adjective
  • Think of this as the matured version of the Kool-Aid dip-dye technique.
    — Kaleigh Werner, Footwear News, 7 Nov. 2025
Definition of matured
Noun
  • Borges may not be able to see the scenery, but delights in every scrap of local color, to a degree that the American — tasked with describing everything to his elder, in suitably lyrical terms — finds quite wearisome.
    — Guy Lodge, Variety, 29 Aug. 2026
  • One bathroom had no toilet seat and there was no lighting in a stairwell used by elders unsure of their footing.
    — Carol Marbin Miller, Miami Herald, 27 Aug. 2026
Definition of elder
Adjective
  • Sullivan’s Anne first aired on PBS the very same night, for instance, that the erotic multicultural dance fable Flashdance was first shown on network TV.
    — Literary Hub, Literary Hub, 26 Aug. 2026
  • Among them is Sirocco, an erotic thriller written by two-time Emmy winner Gideon Raff.
    — Lexi Carson, HollywoodReporter, 24 Aug. 2026
Definition of erotic
Adjective
  • Their ripe fruit can fall and stain sidewalks and patios, so make sure the tree has plenty of room away from those areas in your yard.
    — Helena Madden, Martha Stewart, 1 Sep. 2026
  • It can be made year-round, substituting in whatever fruit is available, ripe and delicious.
    — Deputy Managing Editor, Los Angeles Times, 1 Sep. 2026
Definition of ripe

Browse Nearby Words

adulatory
adult
adulterant
See all Nearby Words

Cite this Entry

“Adult.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adult. Accessed 3 Sep. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

A List of Most Commonly Confused Words

Why do we use apostrophes to show possession?

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

The Longest Long Words List

Stay Woke

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 4
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

The Longest Long Words List

Stay Woke
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
skateboard-dog-hat
Wordmaxxing Slang Quiz Give your vocabulary a glow up by getting sendy w...
See All