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Synonyms

aha

1 American  
[ah-hah, uh-hah] / ɑˈhɑ, əˈhɑ /

interjection

  1. (used as an exclamation of triumphant discovery, mockery, contempt, irony, surprise, etc., according to the manner of utterance.)

AHA 2 American  

  1. American Heart Association.

A.H.A. 3 American  

abbreviation

  1. American Historical Association.

  2. American Hospital Association.

aha British  
/ ɑːˈhɑː /

interjection

  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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Mitchell has been drawing for as long as he can remember, but it was a high school classmate pointing out the permanent nature of a ballpoint pen that led to his aha moment.

From Los Angeles Times • May 16, 2025

“It was really one of those aha moments,” Beck, who is also Oprah Winfrey’s go-to life coach, said in an interview.

From Los Angeles Times • Jan. 7, 2025

Her big aha moment came after meeting with Janine Kyrillos, director of the Comprehensive Weight Management Program at Jefferson Health in Pennsylvania.

From Slate • Jul. 20, 2024

There’s been this collective aha moment in the country where people who are 65 are saying I’m going to live until I’m 90.

From New York Times • Jun. 20, 2024

TMa aha gripped with toe fury of hysteria, but he patiently disentangled her without minding the stabs.

From "The Once and Future King" by T. H. White

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.