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Synonyms for Sinuate (same or very similar meaning)

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

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

WordNet sense 3 (of the margin of a leaf shape; not broken up into teeth):

From the ODE community, based on WordNetadd/edit