Breadcrumb Home > Dictionary > Index C callow: Meaning and Definition of Find definitions for: cal•low Pronunciation: (kal'ō), [key] — adj. immature or inexperienced: a callow youth. (of a young bird) featherless; unfledged. —n. a recently hatched worker ant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: callow (Thesaurus) call-out Calloway ✖ Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language