Word Study
boyish
CIDE DICTIONARY
boyish, a.
Resembling a boy in a manners or opinions; belonging to a boy; childish; trifling; puerile. [1913 Webster]
"A boyish, odd conceit." [1913 Webster]
THESAURUS
boyish
adolescent, airy, attenuate, attenuated, beardless, boylike, calflike, childish, childlike, coltish, delicate, diaphanous, diluted, ethereal, fine, fine-drawn, finespun, flimsy, frail, gauzy, girlish, girllike, gossamer, gracile, immature, insubstantial, juvenile, kiddish, lacy, light, maiden, maidenly, misty, papery, puerile, puplike, puppyish, puppylike, rare, rarefied, slender, slenderish, slight, slight-made, slim, slimmish, slinky, small, subtle, svelte, sylphlike, tenuous, thin, thin-bodied, thin-set, thin-spun, thinnish, threadlike, vague, wasp-waisted, watered, watered-down, watery, weak, willowy, wiredrawn, wispy, young, youthfulROGET THESAURUS
boyish
Infant
N infant, babe, baby, babe in arms, nurseling, suckling, yearling, weanling, papoose, bambino, kid, vagitus, child, bairn, little one, brat, chit, pickaninny, urchin, bantling, bratling, elf, youth, boy, lad, stripling, youngster, youngun, younker, callant, whipster, whippersnapper, whiffet, schoolboy, hobbledehoy, hopeful, cadet, minor, master, scion, sap, seedling, tendril, olive branch, nestling, chicken, larva, chrysalis, tadpole, whelp, cub, pullet, fry, callow, codlin, codling, foetus, calf, colt, pup, foal, kitten, lamb, lambkin, aurelia, caterpillar, cocoon, nymph, nympha, orphan, pupa, staddle, girl, lass, lassie, wench, miss, damsel, demoiselle, maid, maiden, virgin, hoyden, infantine, infantile, puerile, boyish, girlish, childish, babyish, kittenish, baby, newborn, unfledged, new-fledged, callow, in the cradle, in swaddling clothes, in long clothes, in arms, in leading strings, at the breast, in one's teens.For further exploring for "boyish" in Webster Dictionary Online