Word.ws English Dictionary

Synonyms of adult

16 similar words · 2 opposite words

Another word for adult is X-rated. Other synonyms of adult are XXX and XXXX.

Synonyms and similar words for adult

nounAn animal that is full-grown.

adjectiveFully grown.

  • bigAdult; (of a child) older.

adjectiveContaining material of an explicit sexual nature; pornographic.

  • pornographicContaining an explicit depiction of sexual activity.

nounMore synonyms

adjectiveMore synonyms

  • fully grown
  • for adults
  • X-ratedPornographic or indecent.
  • XXXExtreme or hardcore pornography; or, less strictly, any pornographic content.
  • XXXXX-rated, pornographic; XXX.
  • blue vulgarRisqué; obscene; profane; pornographic.
  • indecent
  • obscene
  • salacious

Opposite of adult

nounMore antonyms

  • childAn adult or adolescent with childish or stupid behaviors.
  • younglingA young person, animal, or plant; chit.

Meaning of adult

  1. noun An animal that is full-grown.
  2. noun A person who has reached the legal age of majority.
  3. adjective Fully grown.

Full definition of adult

adult in other languages

Questions about synonyms of adult

What is another word for adult?
Adult has 16 synonyms on Word.ws, such as X-rated, XXX and XXXX.
What is the opposite of adult?
The opposite of adult is youngling. Other antonyms of adult are child.
What does adult mean?
Adult means an animal that is full-grown.

Source and license

Adapted from Wiktionary: adult (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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Cite this page: “Synonyms of adult.” Word.ws, https://word.ws/synonyms/adult. Based on Wiktionary, CC BY-SA 4.0.