/ Dictionary / Index A advertent: Meaning and Definition of Find definitions for: ad•vert•ent Pronunciation: (ad-vûr'tnt), [key] — adj. attentive; heedful. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: advertent (Thesaurus) advertency advertise Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language