lipstick//ˈlɪp.stɪk//A2Frequency Level 10NeutralNounlipstickSingularlipsticksPlural1A colored cosmetic applied to the lips, typically in the form of a small solid stick.She put on red lipstick before going out.Synonymlip colorlip rougeVerb1To apply lipstick to the lips.She lipsticked her lips before leaving the house.