Synonyms of puny

1 Syllable

zilch, wee, scant, frail, thin, weak, small, lank, weer, thins, shrimp, runt

2 Syllables

twiggy, low-born, zero, trifling, feebler, elfin, small-fry, shoestring, weedy, fleshless, runter, thinner, peanut, lanker, tinier, feeblest, tiniest, tiny, minor, weeny, niggling, frailer, measlier, bitty, weakly, wimpy, paltrier, little, poler, strengthless, unsound, meager, teensy, weakest, bitsy, pee-wee, frailest, shucker, trivial, scrimpy, paltry, two-bit, half-pint, petty, peewee, piddling, worthless, measly, feeble, thinnest, weaker, stunted, infirm, nothing

3 Syllables

uncostly, rinkydink, pint-sized, minutest, fragile, microbic, inferior, pathetic, twiglike, underweight, minuter, pocket-size, rinky-dink, time-wasting, underfed, picayune, pintsize

4 Syllables

unsubstantial, miniscule, anorectic, lilliputian, entry-level, undersized, teeny-weeny, teensy-weensy, minuscular, unnotable, insubstantial

5 Syllables

inconsequential, undeveloped, diminutive, unconsequential, commiserable