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  • aha
    aha
    interjection
    (used as an exclamation of triumphant discovery, mockery, contempt, irony, surprise, etc., according to the manner of utterance.)
  • AHA
    AHA
    American Heart Association.
  • A.H.A.
    A.H.A.
    abbreviation
    American Historical Association.
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.

See Examples For:

Discovering in the course of this book that Kim Thayil has synesthesia — a condition where one sense triggers another — was a huge aha moment.

From Salon ● Jun. 9, 2026

“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

On Tuesday, the AHA and three other medical societies published the first guidelines to help clinicians prevent and manage CKM, as it is called, urging them to focus on their patients’ overall metabolic health.

From The Wall Street Journal ● Jun. 9, 2026

Long treated as isolated or individual diseases, the conditions are interrelated, usually tied to excess abdominal fat, and a major driver of heart disease, according to the AHA.

From The Wall Street Journal ● Jun. 9, 2026

Dr. Stacey Rosen, AHA president, said the government’s encouragement to eat red meat and full-fat dairy products “has been shown repeatedly to be a not healthy way to eat.”

From The Wall Street Journal ● Mar. 31, 2026

Under a restructuring plan, the number of health department divisions will drop from 28 divisions to 15 — including a new Administration for a Healthy America, or AHA.

From Los Angeles Times ● Mar. 27, 2025

Still, AHA, whose journal and meeting abstracts were advertised as publication opportunities to IMGs, expressed misgivings about Desai’s program when Science provided details on the ad and his workshop.

From Science Magazine ● May 3, 2024

At one panel, K-12 educators and advocates talked about strategies for challenging such laws, which the A.H.A. has joined with more than 150 other groups in condemning as threats to “free and open exchange.”

From New York Times ● Jan. 8, 2023

Recently, Ivor Benjamin, the president of the A.H.A., appeared onstage at an Apple special event, where he participated in the announcement of the newest Apple Watch, which features the ability to detect atrial fibrillation.

From The New Yorker ● Aug. 5, 2019

For decades, as part of this program, the A.H.A. strongly promoted a low-fat diet, advocating the use of margarine instead of butter, the avoidance of eggs, and the limiting of saturated fats.

From The New Yorker ● Aug. 5, 2019

The A.H.A. predicts that the program will stimulate introduction of more healthful products.

From Time Magazine Archive

But the Food and Drug Administration objected, and the A.H.A. eventually dropped the program--though a few years later the FDA itself started requiring more explicit food labels.

From Time Magazine Archive

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