trifle

/ˈtrī-fəl/

Middle English trufle, trifle, from Anglo-French trufle, triffle fraud, trick, nonsense

noun

  1. something of little value, substance, or importance

  2. a dessert typically consisting of plain or sponge cake often soaked with wine or spirits (such as brandy or rum) and topped with layers of preserves, custard, and cream

verb

  1. to treat someone or something as unimportant

  2. to talk in a jesting or mocking manner or with intent to delude or mislead

  3. to handle something idly

trifle toy dally flirt coquet mean to deal with or act toward without serious purpose. trifle may imply playfulness, unconcern, indulgent contempt. toy implies acting without full attention or serious exertion of one's powers.

phrasal verb

  1. to treat or deal with (someone or something) in a way that shows a lack of proper respect or seriousness

You shouldn't trifle with their feelings.