Entry 1 sense Webster, 1913 Foul-spoken · Foul·-spo·ken · IPA 01 a. Using profane, scurrilous, slanderous, or obscene language; same as foul-mouthed. 1. Using profane, scurrilous, slanderous, or obscene language; same as foul-mouthed. See: foul-mouthed