Antonyms of adj immature

5 senses of immature

Sense 1
immature (vs. mature) -- (characteristic of a lack of maturity; "immature behavior")

mature (vs. immature) -- (characteristic of maturity; "mature for her age")
        => autumnal -- (characteristic of late maturity verging on decline; "a serene autumnal mood")
        => mellow, mellowed -- (having attained to kindliness or gentleness through age and experience; "mellow wisdom"; "the peace of mellow age")
        => ripe -- (at the highest point of development especially in judgment or knowledge; "a ripe mind")

Sense 2
young (vs. old), immature -- ((used of living things especially persons) in an early period of life or development or growth; "young people")


Sense 3
green (vs. ripe), unripe, unripened, immature -- (not fully developed or mature; not ripe; "unripe fruit"; "fried green tomatoes"; "green wood")


Sense 4
immature (vs. mature) -- (not yet mature)

mature (vs. immature) -- (having reached full natural growth or development; "a mature cell")
        => adult, big, full-grown, fully grown, grown, grownup -- ((of animals) fully developed; "an adult animal"; "a grown woman")
        => abloom, efflorescent -- (bursting into flower; "flowering spring trees")
        => fruiting -- (capable of bearing fruit)
        => full-blown, matured -- (fully ripe; at the height of bloom; "a full-blown rose")
        => headed -- (of leafy vegetables; having formed into a head; "headed cabbages")
        => marriageable, nubile -- (of girls or women who are eligible to marry)
        => overblown -- (past the stage of full bloom; "overblown roses")
        => prime, meridian -- (being at the best stage of development; "our manhood's prime vigor"- Robert Browning)

Sense 5
unfledged (vs. fledged), immature -- ((of birds) not yet having developed feathers; "a small unfledged sparrow on the window sill")


Similarity of adj immature

5 senses of immature

Sense 1
immature (vs. mature) -- (characteristic of a lack of maturity; "immature behavior")
       => adolescent, jejune, juvenile, puerile -- (displaying or suggesting a lack of maturity; "adolescent insecurity"; "jejune responses to our problems"; "their behavior was juvenile"; "puerile jokes")
       => babyish -- (characteristic of a baby; "babyish tears and petulance")
       => childish, infantile -- (indicating a lack of maturity; "childish tantrums"; "infantile behavior")

Sense 2
young (vs. old), immature -- ((used of living things especially persons) in an early period of life or development or growth; "young people")
       => one-year-old -- (one year of age)
       => two-year-old -- (two years of age)
       => three-year-old -- (three years of age)
       => four-year-old -- (four years of age)
       => five-year-old -- (five years of age)
       => adolescent, teen, teenage, teenaged -- (being of the age 13 through 19; "teenage mothers"; "the teen years")
       => infantile -- (being or befitting or characteristic of an infant; "infantile games")
       => boyish, boylike, schoolboyish -- (befitting or characteristic of a young boy; "a boyish grin"; "schoolboyish pranks")
       => childlike, childly -- (befitting a young child; "childlike charm")
       => early -- (very young; "at an early age")
       => girlish, schoolgirlish -- (befitting or characteristic of a young girl; "girlish charm"; "a dress too schoolgirlish for office wear")
       => junior -- (including or intended for youthful persons; "a junior sports league"; "junior fashions")
       => little, small -- ((of children and animals) young, immature; "what a big little boy you are"; "small children")
       => newborn -- (recently born; "a newborn infant")
       => preteen, preadolescent -- (of or relating to or designed for children between the ages of 9 and 12; "a preteen party"; "preteen clothing")
       => puppyish, puppylike -- (characteristic of a puppy)
       => tender -- (young and immature; "at a tender age")
       => youngish -- (somewhat young)
       => youthful, vernal, young -- (suggestive of youth; vigorous and fresh; "he is young for his age")
          Also See-> immature#4; junior#1; new#1

Sense 3
green (vs. ripe), unripe, unripened, immature -- (not fully developed or mature; not ripe; "unripe fruit"; "fried green tomatoes"; "green wood")
       => unaged -- (not subjected to an aging process; "vodka is an unaged liquor from Russia")

Sense 4
immature (vs. mature) -- (not yet mature)
       => adolescent -- (in the state of development between puberty and maturity; "adolescent boys and girls")
       => embryonic, embryologic, embryonal -- (of an organism prior to birth or hatching; "in the embryonic stage"; "embryologic development")
       => inchoative -- (beginning to develop; "inchoative stages")
       => larval -- (immature of its kind; especially being or characteristic of immature insects in the newly hatched wormlike feeding stage; "larval societies"; "larval crayfishes"; "the larval stage")
       => prepubescent, prepubertal -- ((especially of human beings) at the age immediately before puberty; often marked by accelerated growth)
       => prepupal -- (of an inactive stage in the development of some insects, between the larval and the pupal stages; "the prepupal stage")
       => pubescent -- ((of animals especially human beings) having arrived at the onset of puberty (the age at which sex glands become functional) but not yet fully mature; "the budding breasts of a pubescent girl and the downy chin of pubescent boy")
       => pupal -- (of the insects in the chrysalis (cocoon) or post larval stage; "the pupal stage")
       => underdeveloped -- (not yet fully developed)
          Also See-> premature#1; young#1, immature#2

Sense 5
unfledged (vs. fledged), immature -- ((of birds) not yet having developed feathers; "a small unfledged sparrow on the window sill")
       => unfeathered -- (not having feathers; "the unfeathered brood")