adult

Adjective

• designed to arouse lust
  • pornographic films and magazines
    
  • adult movies
    

• (of animals) fully developed
  • an adult animal
    
  • a grown woman
    

Noun

• any mature animal

• a fully developed person from maturity onward

Related words

• Synonyms: 
  pornographic , big , full-grown , fully grown , grown , grownup
• Antonyms: 
  juvenile , juvenile person