/ Dictionary / Index U undertook: Meaning and Definition of Find definitions for: un•der•took Pronunciation: (un"dur-took'), [key] — v. pt. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: undertook (Thesaurus) undertone undertow Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language