/ Dictionary / Index H holometabolous: Meaning and Definition of Find definitions for: hol•o•me•tab•o•lous Pronunciation: (hol"ō-mi-tab'u-lus, hō"lō-), [key] — adj. Entomol. undergoing complete metamorphosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: holometabolous (Thesaurus) hololith holomorphic Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language