Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Hair & beautylip glossˈlip gloss noun [countable, uncountable] DCBa substance used to make lips look very shinyExamples from the Corpuslip gloss• Her face was a white powder mask with black eye make-up and black lip gloss.• Posturing while she checks her lip gloss. ldoceonline.com