Crossword Genius

Curving in and out (7)

Ross

I believe the answer is:

sinuous

'curving in and out' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for sinuous that I've seen before include "Wavy -- winding" , "Supply bending; wavy" , "Having many curves and turns" , "Full of curves, bends" , "Twisting and turning" .)

I've seen this clue in The Guardian and The Telegraph.
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