/ Dictionary / Index D deem: Meaning and Definition of Find definitions for: deem Pronunciation: (dēm), [key] — v.i. to form or have an opinion; judge; think: He did not deem lightly of the issue. —v.t. to hold as an opinion; think; regard: He deemed it wise to refuse the offer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deem (Thesaurus) deelie de-emphasis Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language