/ Dictionary / Index G geek: Meaning and Definition of Find definitions for: geek Pronunciation: (gēk), [key] — n. Slang. a carnival performer who performs sensationally morbid or disgusting acts, as biting off the head of a live chicken. any strange or eccentric person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: geek (Thesaurus) geegaw Geelong 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