choppy

Having many small, rough waves.

• Commander Birch was a trifle uneasy when he found there was more than a popple on the sea; it was, in fact, distinctly choppy.
• Safely navigating choppy waters has allowed FirstGroup to pay its first interim dividend for almost a decade, and only its second since payments restarted in August.

Discontinuous, intermittent.

• The sound is choppy in this video.

Shifting, variable