nervousness resulting from mental stress
- "the mental strain of staying alert hour after hour was too much for him"
- "his responsibilities were a constant strain"
injury to a muscle (often caused by overuse); results in swelling and pain
- [ medicin ]
an intense or violent exertion
Deformation of a physical body under the action of applied forces
use to the utmost; exert vigorously or to full capacity
- "Don't strain your mind too much"