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Meaning of immature in English
Pronunciation
/ˌɪməˈtʊr/
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Classifying Adjective
immature
Definitions
1.
lacking in development
Examples
« immature plans »
« an unformed character »
Synonyms
undeveloped
Qualitative Adjective
immature
Etymology
mid 16th century (in the sense ‘premature’, referring to death): from Latin immaturus‘untimely, unripe’, from in-‘not’ + maturus‘ripe’ (see mature)
Definitions
1.
characteristic of a lack of maturity
Examples
« immature behavior »
Synonyms
adolescent
jejune
juvenile
puerile
babyish
childish
infantile
callow
inexperienced
naive
unsophisticated
Antonyms
mature
2.
(used of living things especially persons) in an early period of life or development or growth
Examples
« young people »
Synonyms
adolescent
teen
teenage
teenaged
boyish
boylike
schoolboyish
childlike
childly
early
formative
girlish
schoolgirlish
infantile
junior
little
small
newborn
puppyish
puppylike
tender
vulnerable
youngish
youthful
vernal
preteen
preadolescent
Antonyms
old
3.
not fully developed or mature
Examples
« not ripe »
« unripe fruit »
« fried green tomatoes »
« green wood »
Synonyms
unaged
Antonyms
ripe
mature
4.
not yet mature
Synonyms
adolescent
embryonic
embryologic
embryonal
formative
inchoative
larval
prepubescent
prepubertal
prepupal
pubescent
pupal
underdeveloped
unformed
Antonyms
mature
5.
(of birds) not yet having developed feathers
Examples
« a small unfledged sparrow on the window sill »
Synonyms
unfeathered
Antonyms
fledged
mature