There are a few words in English with 6 letters that mean “not sitting still”:
- Active – This is the most general term and simply means showing a lot of energy or movement.
- Moving – This specifically refers to changing position or location.
- Restless – This implies an inability to stay still or calm, often due to anxiety or boredom.
- Fidgety – Similar to restless, but suggests a more nervous or impatient type of movement.
- Pacing – This describes walking back and forth repeatedly, often due to worry or agitation.
The best word to use depends on the specific context.