[ ah-hah, uh-hah ]
See synonyms for aha on Thesaurus.com
  1. (used as an exclamation of triumphant discovery, mockery, contempt, irony, surprise, etc., according to the manner of utterance.)

Words Nearby aha

Other definitions for AHA (2 of 3)


  1. American Heart Association.

Other definitions for A.H.A. (3 of 3)


  1. American Historical Association.

  2. American Hospital Association.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use aha in a sentence

  • aha, we will make a night of it, a dinner like that at the Caf Anglais and a bottle of wine to make you dream!

    The Woman Gives | Owen Johnson
  • "aha, it seems that the same arrow has hit two people," Dick whispered to Phil, but loud enough so that Garry could hear.

  • aha, there is a tug already, the Storegut; things looked brighter in a moment, perhaps they might get off at once.

    Dry Fish and Wet | Anthon Bernhard Elias Nilsen
  • Something akin I have experienced in an 'express' as it raged with me—winged, rocking, ecstatic, shrilling a dragon aha!

    Prince Zaleski | M.P. Shiel
  • aha, I felt my whiskers bristle as I advanced upon him through the darkness!

British Dictionary definitions for aha


/ (ɑːˈhɑː) /

  1. an exclamation expressing triumph, surprise, etc, according to the intonation of the speaker

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012