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Synonyms for Wiggly (same or very similar meaning)

WordNet sense 1 (curved or curving in and out):
sinuous, sinuate

WordNet sense 2 (having or marked by a curve or smoothly rounded bend):
curved, curving

WordNet sense 3 (in motion):

WordNet sense 4 (having a twisting or snake-like or wormlike motion):
wriggly, squirming, twisting, wiggling, wriggling, writhing

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