immature | Definition of immature

1 being in the early stage of life, growth, or development

immature frogs are called "tadpoles"

Synonyms of immature

adolescent, juvenile, young, youngish, youthful

Words Related to immature

ephebic, minor, preteen, subadult, teenage (or teenaged), underage

embryonic, emergent

callow, green, inexperienced, puerile, raw

babyish, childish, childlike, infantile, infantine, kiddish

undeveloped, unfinished, unfledged, unformed, unripe, unripened

blooming, blossoming, burgeoning, flourishing, flowering

Near Antonyms of immature

aged, aging (or ageing), ancient, elderly, geriatric, long-lived, old, older, oldish, senescent, senior

full-blown, full-fledged

golden, mellow, ripe, ripened

middle-aged

anile, decrepit, doddering, over-the-hill, senile, spavined, tottery

Antonyms of immature

adult, grown-up, mature, matured

2 having or showing the annoying qualities (as silliness) associated with children

an immature teenager who still threw tantrums

Synonyms of immature

adolescent, babyish, childish, infantile, jejune, juvenile, kiddish, puerile

Words Related to immature

boyish, brattish, bratty, girlie (or girly), girlish

childlike, innocent, naive (or naïve), simple, simplistic, unsophisticated

Near Antonyms of immature

unchildlike

cosmopolitan, experienced, knowing, smart, sophisticated, worldly, worldly-wise

Antonyms of immature

adult, grown-up, mature

3 lacking in adult experience or maturity

many high school students are still too immature to foresee the consequences of their actions

Synonyms of immature

adolescent, callow, green, inexperienced, juvenile, puerile, raw, unfledged, unformed, unripe, unripened

Words Related to immature

babyish, childish, infantile, infantilized, infantine

boyish, girlish, juvenescent, kiddish, young, youngish, youthful

maidenly, virginal

ingenuous, innocent, naive (or naïve), tender

unknowing, unseasoned, unsophisticated, untrained, untried

Phrases Synonymous with immature

wet behind the ears

Near Antonyms of immature

advanced, precocious

knowing, savvy, sophisticated, worldly, worldly-wise

Antonyms of immature

adult, experienced, grown-up, mature, ripe

Synonyms and Antonyms of immature

WORD OF THE DAY

garrulous