When someone is fidgeting, they are constantly moving their hands or feet around. This can be a sign of anxiety or nervousness.
He was constantly fidgeting with his hands, which was very distracting.
She was constantly fidgeting with her hair, which was a sign that she was nervous.
noun
a feeling of agitation expressed in continual motion
Synonyms:
verb
move restlessly
1
It moved Doug unexpectedly to laugh, and then to twitch and fidget nervously.
2
He would fidget, twitch, pace, and convulse while on the mound.
3
He keeps moving it and fidgeting.
4
Fidgeting is the act of moving restlessly.
5
As they wait, Fidget stumbles through the pub.
6
He tends to fidget with his hands.
7
I guess I fidget on the keyboard.
8
Fidgeting actually helps kids with ADHD.
9
She bites her nails and fidget nervously.
10
I see no mention of fidgeting for the purpose of concentration, though.