Synonyms of 'shrug off'
disregardDictionary, reject, dispel
He shrugged off the criticism.
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If someone pooh-poohs an idea or suggestion, they say or imply that it is foolish, impractical, or unnecessary.
The medical profession tends to pooh-pooh colonic irrigation.
Thesaurus for shrug off from the Collins English Thesaurus
If you shrug something off , you ignore it or treat it as if it is not really important or serious .