undulation

Her boss' stiff façade slips as his spine and joints move in a constant state of undulation.

With just 118 yards left, Lowry knocked his approach left of the hole, took advantage of the green’s undulations and watched as it tracked all the way in for an eagle.

With undulations and drum-accented contractions, she gives birth and removes the cord.

So he returned to the stage and started the gentle undulations of the A-flat major étude he had played some 40 minutes earlier — now with even more flowing naturalness.

Watching the show feels like watching a snake, its gliding undulations mostly moving side to side but actually propelling the story forward.