Idiom: One's Lips Are SealedCheck definitions of...oneslipsaresealedMeaningsOne will not tell anyone else; one is keeping a secret.A-Z Proximitiesone's blood runs coldone's days are numberedone's heart in one's mouthone's hourone's jig is up one's lips are sealed one's name is mudone's socks offone's word is lawone-hit wonderone-horse raceSimilar Idiomsone's lips are sealedkeep one's lips sealedread lipsread someone's lipstight lipsone's days are numberedall bets are offare you deafare your ears burningchances areears are burninghere you arehit someone when they are downhow are youhunt where the ducks arekick someone when they are downknow where the bodies are buriedstars are alignedstrike someone when they are downthere you areSimilar Phrasessealed instrument