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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.

Like the federal government, the AHA defines a healthy diet as rich in vegetables and fruits and low in added sugars and ultraprocessed foods.

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

Hospitals are having issues with processing claims, billing patients and checking insurance coverage for care, the AHA said, but the attack also could affect the ability to pay workers and buy medicine and supplies.

From Seattle Times • Feb. 29, 2024

The total daily sodium intake recommended by the AHA is to be below 1,500 milligrams and this study was designed to decrease it even lower than that, Allen said.

From Science Daily • Nov. 13, 2023

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