Crossword clues for Most serene:SERENEWorry freeSERENEStillSERENEChillSERENEPeacefulSERENEUndisturbedSERENEBlissfulSERENECollectedSERENECool and collectedSERENITYCalmSERENENot easily ruffledSERENETotally at easeSERENETranquilSERENERMore at peaceSERENEPlacidSERENEMajesticSERENERMore tranquilSERENEAt peaceSERENEUnruffledSERENERMore chillSERENEComposedSERENEQuietly composedSERENEContentedSERENECalmSERENEType-BSERENEFairSERENEExuding peaceSERENELike a spa environment, you'd hopeSERENEIn the middle of meditation, if you're doing it rightSERENERContemptuous lookerSERENELike a lazy riverSERENETotally chillSERENECoolSERENECool as a cucumberSERENELYIn a calm waySERENECalm and collectedSERENECalm, cool, and collectedSERENEExtremely peacefulSERENELYIn peaceSERENITIESUnflustered statesSERENEUntroubledSERENECalm as can beSERENEUnflappableSERENEPacificSERENELaid-backSERENERLess agitatedSERENITYPeaceSERENEImperturbableSERENEUnperturbedSERENELYIn a calm mannerSERENITY__ now!: "Seinfeld" mantra spoken by Frank Costanza