Synonyms of 'squirm'
He gave a feeble shrug and tried to squirm free.
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If you agonize over something, you feel very anxious about it and spend a long time thinking about it.
He was agonizing over the moral issues involved.
If you fidget, you keep moving your hands or feet slightly or changing your position slightly, for example because you are nervous, bored, or excited.
The children began to fidget.
Thesaurus for squirm from the Collins English Thesaurus
If you squirm , you move your body from side to side, usually because you are nervous or uncomfortable .