ack

1 of 2

interjection

used to express mild alarm or dismay
You should see the big wad of lint I just plucked from the trap of my clothes dryer. Ack! Where does all of that come from?Mary Hunt

ack

2 of 2

abbreviation

acknowledge; acknowledgment

Examples of ack in a Sentence

Recent Examples on the Web
Interjection
While it will always be remembered for the lyrical quirk about how working too hard can give you a heart attack (ack ack ack ack ack) and trading in a Chevy for a Cadillac (ack ack ack ack ack), the song underscores Joel’s ability to be playful and clever. Melissa Ruggieri, USA TODAY, 9 May 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ack.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

Interjection

2001, in the meaning defined above

Time Traveler
The first known use of ack was in 2001

Dictionary Entries Near ack

Cite this Entry

“Ack.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ack. Accessed 18 May. 2024.

Last Updated: - Updated example sentences
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