can't sit still
- restlessUnable to be still
- fidgetyNervously unable to settle
- antsyRestlessly eager or nervous
- squirmingTwisting restlessly from discomfort
- hyperactiveExcessively energetic, easily distracted
jittery · twitchy · pacing · bouncing · wiggling · energetic · impatient · agitated · nervous · buzzing · wired · keyed up · jumpy · itchy · on edge · hyper · frenetic · squirrelly
physical restlessness vs. stillness
can't sit stillmotionless
Lacking all movement
stock-still · rooted to the spot · sitting still · stationary · immobile