American English

Definition of ha exclamation from the Oxford Advanced American Dictionary



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  1. 1(also hah) the sound that people make when they are surprised or pleased or when they have discovered something Ha! It serves you right! Ha! I knew he was hiding something.
  2. 2(also ha! ha!) the word for the sound that people make when they laugh
  3. 3(also ha! ha!) (informal) (ironic) used to show that you do not think that something is funny Ha! Ha! Very funny! Now give me back my shoes.
See the Oxford Advanced Learner's Dictionary entry: ha