\ 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)

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 Take Ashley Cimone and Moya Annece for example: the two best friends experienced a joint ‘aha’ moment while on a trip to India that resulted in creating their luxury accessories brand, ASHYA. Greg Emmanuel, Essence, 3 Jan. 2022 What was the ‘aha’ moment that drove you to quit your job and travel? Jasmine Browley, Essence, 14 Dec. 2021 To start, aha! will fly each route three times per week using 50-seat Embraer ERJ145 regional jets. Alison Fox, Travel + Leisure, 5 Oct. 2021 Based on the popular Israeli format originally created by Assi Azar, aha’s Telugu adaptation is produced by Annapurna Studios and directed by Jonathan Edwards. Naman Ramachandran, Variety, 9 Sep. 2021 At every crossroads, there was a pathway, a coach, an environment contributing to aha moments. David Woods, The Indianapolis Star, 7 Aug. 2021 There was no singular ‘aha’ moment that compelled Mark Harlan to fire Larry Krystkowiak late Tuesday afternoon. Josh Newman, The Salt Lake Tribune, 17 Mar. 2021 Those who like to read between the lines might say, aha, there’s your starting five. oregonlive, 22 Oct. 2020 Aha, here's a whole other way to look at this problem.' Domenica Bongiovanni, Indianapolis Star, 23 June 2017 See More

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.

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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Cite this Entry

“Aha.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aha. Accessed 25 May. 2022.

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More Definitions for aha


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

Kids Definition of aha

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


abbreviation or noun
\ 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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