immature
adjective /ˌɪməˈtjʊə(r)/
/ˌɪməˈtʃʊr/, /ˌɪməˈtʊr/
- behaving in a way that is not sensible and is typical of people who are much younger
- immature behaviour
Wordfinder- adolescent
- immature
- mixed up
- naive
- puberty
- rebellious
- sulky
- tearaway
- teenager
- young
Extra ExamplesTopics Personal qualitiesb2, Life stagesb2- Although she was older than her husband, she was emotionally quite immature.
- He displays very immature behaviour for a boy of 16, running about the classroom and yelling.
- Oh, don't be so immature.
Oxford Collocations Dictionaryverbs- be
- seem
- sound
- …
- extremely
- fairly
- very
- …
- not fully developed or grown
- immature plants
- The immature birds have shorter tails and brown, speckled plumage.
Oxford Collocations Dictionaryverbs- be
- seem
- sound
- …
- extremely
- fairly
- very
- …
opposite mature
Word Originmid 16th cent. (in the sense ‘premature’, referring to death): from Latin immaturus ‘untimely, unripe’, from in- ‘not’ + maturus ‘ripe’.