Synonyms of undersized in English:

undersized


See definition of undersized

adjective

1‘a skinny, undersized 15-year-old’

SYNONYMS
underdeveloped, stunted, small, short, little, tiny, petite, small-boned, slight, compact, minuscule, miniature, mini, diminutive, dwarfish, elfin, bantam, runtish, puny
Scottish wee
informal pint-sized, half-pint, pocket-sized, knee-high to a grasshopper, baby, teeny, teeny-weeny, teensy-weensy, itsy-bitsy
rare homuncular, Lilliputian
ANTONYMS

enormous, overgrown