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wag

1 of 3

verb

wagged; wagging

intransitive verb

1
: to be in motion : stir
2
: to move to and fro or up and down especially with quick jerky motions
3
: to move in chatter or gossip
scandal caused tongues to wag
4
archaic : depart
5
: waddle

transitive verb

1
: to swing to and fro or up and down especially with quick jerky motions : switch
a dog wagging its tail
specifically : to nod (the head) or shake (a finger) at (as in assent or mild reproof)
2
: to move (the tongue) animatedly in conversation
wagger noun

wag

2 of 3

noun (1)

: an act of wagging : shake

wag

3 of 3

noun (2)

1
: wit, joker
2
obsolete : a young man : chap

Examples of wag in a Sentence

Verb The dog wagged its tail. She wagged her finger at the children as she scolded them. He wagged his head back and forth. The dog's tail began to wag excitedly. Noun (1) the dog gave its tail a single wag before it flopped back down Noun (2) some wag wrote a droll satire on the scandal for the newspaper
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
In short, the market wanted to know — which tail is wagging the dog? Leonie Kidd, CNBC, 23 Nov. 2025 Perhaps this wag-the-dog war is meant to scare a weak Nicolás Maduro. Trudy Rubin, Twin Cities, 23 Nov. 2025
Noun
There will be a canine menu and free wag bags while supplies last. Abby Hamblin, San Diego Union-Tribune, 27 Oct. 2025 But not every interaction at dog parks ends with happy tail wags. Liz O'Connell, MSNBC Newsweek, 30 Sep. 2025 See All Example Sentences for wag

Word History

Etymology

Verb

Middle English waggen; akin to Middle High German wacken to totter, Old English wegan to move — more at way

Noun (2)

probably short for obsolete English waghalter gallows bird, from English wag entry 1 + halter

First Known Use

Verb

13th century, in the meaning defined at intransitive sense 1

Noun (1)

1589, in the meaning defined above

Noun (2)

1556, in the meaning defined at sense 2

Time Traveler
The first known use of wag was in the 13th century

Browse Nearby Words

Cite this Entry

“Wag.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wag. Accessed 29 Nov. 2025.

Kids Definition

wag

1 of 3 verb
wagged; wagging
: to move or swing to and fro or up and down especially with quick jerky movements
the dog wagged its tail
wagged his finger as he scolded
wagger noun

wag

2 of 3 noun
: a wagging movement

wag

3 of 3 noun
Etymology

Verb

Middle English waggen "to be in motion, move about"

Noun

probably a shortened form of obsolete waghalter "a person who should be hanged"

More from Merriam-Webster on wag

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