"squirm" in the noun sense
1. wiggle, wriggle, squirm
the act of wiggling
"squirm" in the verb sense
1. writhe, wrestle, wriggle, worm, squirm, twist
to move in a twisting or contorted motion, (especially when struggling
"The prisoner writhed in discomfort"
"The child tried to wriggle free from his aunt's embrace"
Source: WordNet® (An amazing lexical database of English)
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