Definition of ha exclamation from the Oxford Advanced Learner's Dictionary



    BrE BrE//hɑː//
    ; NAmE NAmE//hɑː//
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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. More Like This Exclamations aargh, ah, aha, ahchoo, ahem, aw, bah, boo, coo, d’oh, eek, eh, er, eww, gee, ha, hey, ho ho, ho-hum, hooray, huh, mm, oh, oho, oi, ooh, oops, ouch, ow, oy, pah, phew, psst, sh, tsk tsk, tut, ugh, uh, uh-uh, uh-oh, um, whoopee, whoops, woo hoo, wow, yay, yippee, yuck, yumSee worksheet.
  4. Word Originnatural utterance: first recorded in Middle English.
See the Oxford Advanced American Dictionary entry: ha