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English definition of “wag”

wag

verb [I or T] uk   /wæɡ/ (-gg-) us  
(especially of a tail or finger) to move from side to side or up and down, especially quickly and repeatedly, or to cause this to happen: The little dog's tail wagged in delight. He wagged his finger sternly at the two boys.Shaking, swinging and vibrating

wag

noun uk   /wæɡ/ us  

wag noun (MOVE)

[C usually singular] (especially of a tail or finger) a movement from side to side or up and down: With a single wag of her finger she managed to convey her total disapproval.Shaking, swinging and vibrating

wag noun (PERSON)

[C] old-fashioned informal a humorous person who likes to make jokesHumour and humorous a WAG
waggish
adjective uk   /ˈwæɡ.ɪʃ/ old-fashioned informal us  
saying humorous thingsHumour and humorous
(Definition of wag verb, noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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