/ Dictionary / Index G gunk: Meaning and Definition of Find definitions for: gunk Pronunciation: (gungk), [key] — n. Informal. any sticky or greasy residue or accumulation: gunk on the oil filter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gunk (Thesaurus) Gunite gunk hole Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language