/ Dictionary / Index S SLAPP: Meaning and Definition of Find definitions for: SLAPP Pronunciation: (slap), [key] — n., v., SLAPPed, SLAPP•ing. —n. a civil lawsuit brought as an intimidation measure against an activist. —v.t. to bring a SLAPP against. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slapjack slap plastering Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language