adult

Pluraladults

Formsadults, adulting, adulted

1. 1
   nouncountable

   A grown-up person, legally old enough to have full rights. Also a fully grown animal.

   Like crossing a line on a map: once you step over it, different rules apply to you.

   You must be an adult to sign this contract.

   Two adults and three kids squeezed into the small car.

   Similargrown-up

   Oppositechild, minor, juvenile

2. 2
   fully developedadjective

   Fully grown, having reached its full size and shape.

   An adult elephant can weigh more than five tons.

   The bird's adult feathers are much brighter than its baby ones.

   Similarmature, full-grown, grown

   Oppositeimmature, juvenile, young

   Note
3. 3
   adjective

   Made for or meant for grown-ups, not children, like adult clothes or an adult ticket.

   The adult cooking class is only open to people over eighteen.

   These pills are an adult dose, so keep them away from kids.

   UsageUse it before a noun: adult tickets, adult sizes.

   Note
4. 4
   showing sexadjective

   A polite way to say that a movie, book, or website shows sex.

   That section of the video store was for adult films only.

   The website asks for your age before showing any adult content.

   Similarexplicit, pornographic, X-rated, erotic

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