Answer: waviest

AnswerCrossword Clue
WAVIESTHaving the most curves
WAVIESTMost undulating.
WAVIESTMost rough, at sea
waviestvibrating or tremulous; unsteady; wavering
waviestabounding in or characterized by waves
waviestWAVY, having waves, also WAVEY
waviestcurving alternately in opposite directions; undulating
waviestresembling or suggesting waves