/ Dictionary / Index L lip service: Meaning and Definition of Find definitions for: lip' serv"ice Pronunciation: [key] insincere expression of friendship, admiration, support, etc.; service by words only: He paid only lip service to the dictator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lipscomb lipstick Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language