\ ä-ˈhä How to pronounce aha (audio) \

Definition of aha

 (Entry 1 of 2)

used to express surprise, triumph, or derision


\ ˌā-(ˌ)āch-ˈā How to pronounce AHA (audio) \

Definition of AHA (Entry 2 of 2)

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Synonyms for aha

Synonyms: Interjection

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Examples of aha in a Sentence

Interjection aha! so the money was never missing in the first place!
Recent Examples on the Web: Interjection There was no singular ‘aha’ moment that compelled Mark Harlan to fire Larry Krystkowiak late Tuesday afternoon. Josh Newman, The Salt Lake Tribune, "Utah AD Mark Harlan says no one thing led to firing of Larry Krystkowiak, but the trend line was not sustainable," 17 Mar. 2021 Those who like to read between the lines might say, aha, there’s your starting five. oregonlive, "Despite experience losses, Oregon State believes it has the pieces to rebuild a formidable offensive line," 22 Oct. 2020 Aha, here's a whole other way to look at this problem.' Domenica Bongiovanni, Indianapolis Star, "Can the creative minds of artists find solutions to social problems where others have failed?," 23 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aha.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aha


14th century, in the meaning defined above


1991, in the meaning defined above

History and Etymology for aha


Middle English

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Time Traveler for aha

Time Traveler

The first known use of aha was in the 14th century

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Last Updated

22 Mar 2021

Cite this Entry

“Aha.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aha. Accessed 19 Apr. 2021.

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More Definitions for aha

English Language Learners Definition of aha

used when something is suddenly seen, found, or understood
\ ä-ˈhä How to pronounce aha (audio) \

Kids Definition of aha

used to express discovery or understanding Aha! I knew it was you!


\ ˌā-(ˌ)āch-ˈā How to pronounce AHA (audio) \

Medical Definition of AHA

 (Entry 1 of 2)

Medical Definition of AHA (Entry 2 of 2)

1 American Heart Association
2 American Hospital Association

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