/ Dictionary / Index P presume: Meaning and Definition of Find definitions for: pre•sume Pronunciation: (pri-zm'), [key] — v., -sumed, -sum•ing. —v.t. to take for granted, assume, or suppose: I presume you're tired after your drive. to assume as true in the absence of proof to the contrary. to undertake with unwarrantable boldness. to undertake (to do something) without right or permission: to presume to speak for another. —v.i. to take something for granted; suppose. to act or proceed with unwarrantable or impertinent boldness. to go too far in acting unwarrantably or in taking liberties (usually fol. by on or upon): Do not presume upon his tolerance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: presume (Thesaurus) presumably presuming Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language