(noun, adjective, verb)


1. (of animals) fully developed

- an adult animal

Similar word(s): mature, big, grown, grownup

2. designed to arouse lust

- adult movies

Similar word(s): sexy, pornographic

Sentences with adult as an adjective:

- an adult human, animal, or plant

- adult clothes

- adult content

- an adult movie


1. a fully developed person from maturity onward

Similar word(s): grownup

Definition categories: person, individual, mortal, somebody, someone, soul

2. any mature animal

Definition categories: animal, beast, brute, creature, fauna


1. ‚Äč(nonstandard, rare) To (cause to) be or become an adult.