/ Dictionary / Index I informercial: Meaning and Definition of Find definitions for: in•for•mer•cial Pronunciation: (in"fur-mur'shul, -fu-), [key] — n. Radio and Television. a commercial that informs or instructs, esp. in an original and entertaining manner: an informercial on making Christmas decorations using the sponsor's brand of glue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: informercial (Thesaurus) informer informing gun Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language