1 aha | Definition of aha
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aha

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

Definition of aha

 (Entry 1 of 2)

—used to express surprise, triumph, or derision

AHA

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

Definition of AHA (Entry 2 of 2)

: alpha hydroxy acid
Synonyms Example Sentences Learn More about aha

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Synonyms for aha

Synonyms: Interjection

ah, come on, fie, indeed, my word, no, pshaw, well, what, why

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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

 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.

First Known Use of aha

Interjection

14th century, in the meaning defined above

Noun

1991, in the meaning defined above

History and Etymology for aha

Interjection

Middle English

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More Definitions for aha

aha

interjection
How to pronounce AHA (audio)

English Language Learners Definition of aha

—used when something is suddenly seen, found, or understood

See the full definition for aha in the English Language Learners Dictionary

aha

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

Kids Definition of aha

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

AHA

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

Medical Definition of AHA

 (Entry 1 of 2)

: alpha hydroxy acid

AHA

abbreviation

Medical Definition of AHA (Entry 2 of 2)

1 American Heart Association
2 American Hospital Association

More from Merriam-Webster on aha

Rhyming Dictionary: Words that rhyme with aha

Thesaurus: All synonyms and antonyms for aha

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