Fully grown (6)
'fully grown' is the definition.
(synonyms)
This is all the clue.
(Other definitions for adult that I've seen before include "used to describe dirty movies" , "(Of an animal) fully developed" , "one no longer in minority" , "Person of mature age" , "Older person" .)
'fully grown' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for mature that I've seen before include "Victor, old player" , "Ripe or fully grown" , "Fully grown and developed (6)" , "due to be paid" , "Fully-developed" .)
'fully grown' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ripe that I've seen before include "Mature, fully grown" , "Ready for harvesting, in its prime" , "Strong-smelling" , "daring" , "Fully developed or matured" .)