2. have a casual romantic or sexual liaison with: "he should stop dallying with movie stars"Similartrifletoyplayamuse oneselfflirtplay fast and loosetinkerphilanderwomanizecarry oninformal:play aroundmess around
▪ show a casual interest in something, without committing oneself seriously:"the company has been dallying with the idea of opening a new office"
Word OriginMiddle English: from Old French dalier‘to chat’, of unknown origin.