/ Dictionary / Index G grok: Meaning and Definition of Find definitions for: grok Pronunciation: (grok), [key] —v.t. to understand thoroughly and intuitively. —v.i. to communicate sympathetically. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grok (Thesaurus) groining Grolier Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language