The term 'chills out' can be broken down into six crossword solutions: RESTS (5 letters), MELLOWS (7 letters), RELAXES (7 letters), ICES (4 letters), COOLS (5 letters), and RESTSEASY (9 letters). To 'chill out' means to relax and take it easy, and these solutions allude to that idea. RESTS implies taking a break, MELLOWS suggests becoming calmer, RELAXES implies letting go of stress, ICES implies cooling down, COOLS implies becoming less intense, and RESTSEASY implies finding comfort. All together, these solutions suggest that 'chilling out' is a way to find peace and relaxation.