| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | preadult or immature |
| Synonyms: | boyish, girlish, growing, juvenile, pubescent, puerile, teen, teenage, young, youthful |
| Antonyms: | adult, infant |
| Main Entry: | downy |
| Part of Speech: | adjective |
| Definition: | fluffy |
| Synonyms: | featherlike, feathery, fleecy, fuzzy, light, plumate, plumose, pubescent, silky, soft, velutinous, velvety, woolly |
| Main Entry: | fertile |
| Part of Speech: | adjective |
| Definition: | ready to bear, produce |
| Synonyms: | abundant, arable, bearing, black, bountiful, breeding, breedy, bringing forth, childing, fecund, feracious, flowering, flowing with milk and honey, fruitful, generative, gravid, hebetic, loamy, lush, luxuriant, plenteous, plentiful, pregnant, procreant, producing, productive, proliferant, prolific, puberal, pubescent, rank, rich, spawning, teeming, uberous, vegetative, virile, with child, yielding |
| Antonyms: | barren, fruitless, impotent, infertile, sterile, unproductive, useless |
| Main Entry: | hairy |
| Part of Speech: | adjective |
| Definition: | having much hair |
| Synonyms: | bearded, bewhiskered, bristly, bushy, downy, fleecy, flocculent, fluffy, furry, fuzzy, hirsute, lanate, pileous, piliferous, pilose, pubescent, rough, shaggy, stubbly, tufted, unshaven, unshorn, villous, whiskered, woolly |
| Antonyms: | bald, balding, clean, hairless |
| Main Entry: | juvenile |
| Part of Speech: | adjective |
| Definition: | childish |
| Synonyms: | adolescent, babyish, beardless, blooming, boyish, budding, callow, childlike, developing, formative, fresh, girlish, green, growing, immature, inexperienced, infant, infantile, jejune, junior, kid stuff, milk-fed, naive, pubescent, puerile, teenage, tender, undeveloped, unfledged, unripe, unsophisticated, unweaned, vernal, young, younger, youthful |
| Antonyms: | adult, grown-up, mature |
| Main Entry: | young |
| Part of Speech: | adjective |
| Definition: | immature |
| Synonyms: | adolescent, blooming, blossoming, boyish, boylike, budding, burgeoning, callow, childish, childlike, crude, developing, early, fledgling, fresh, girlish, girllike, green*, growing, half-grown, ignorant, inexperienced, infant, inferior, junior, juvenile, little, modern, new, newborn, newish, not aged, pubescent, puerile, punk, raw, recent, tender, tenderfoot, undeveloped, undisciplined, unfinished, unfledged, unlearned, unpracticed, unripe, unseasoned, untried, unversed, vernal, youthful |
| Notes: | to be young is to be immature or not old; to be youthful is having the attractive qualities of a young person |
| Antonyms: | mature, old, older |
| Main Entry: | youthful |
| Part of Speech: | adjective |
| Definition: | new, immature |
| Synonyms: | active, adolescent, boyish, budding, buoyant, callow, childish, childlike, enthusiastic, fresh, full of life, girlish, green*, inexperienced, infant, juvenile, keen, pubescent, puerile, tender, underage, vernal, vigorous, young |
| Notes: | to be young is to be immature or not old; to be youthful is having the attractive qualities of a young person |
| Antonyms: | experienced, mature, old |
| Main Entry: | teenage |
| Part of Speech: | adjective |
| Definition: | adolescent |
| Synonyms: | immature, juvenile, pre-adult, pubescent, young, youthful |
| Main Entry: | pilose |
| Part of Speech: | adjective |
| Definition: | hairy |
| Synonyms: | bearded, bewhiskered, bristly, bushy, downy, fleecy, flocculent, fluffy, furry, fuzzy, hirsute, lanate, pileous, piliferous, pubescent, rough, shaggy, stubbly, tufted, unshaven, unshorn, villous, whiskered, woolly |