/ Dictionary / Index A advertence: Meaning and Definition of Find definitions for: ad•vert•ence Pronunciation: (ad-vûr'tns), [key] — n. the act of being or becoming advertent; heedfulness. advertency. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: advertence (Thesaurus) advert advertency Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language