Spasm
Definition 1 of 3
Pro Tip 1/3
Involuntary Movement
Indicates an uncontrollable muscle action, not done on purpose. She felt a sudden spasm in her eyelid while trying to concentrate.
Pro Tip 2/3
Often Painful
Muscle spasms are usually uncomfortable or painful, causing visible or subtle movements. After the long run, he was troubled by a spasm in his thigh.
Pro Tip 3/3
Medical Context
Usually used in medical or health-related discussions to describe symptoms. The patient reported back spasms after lifting heavy objects.