Fatigue

·noun The cause of weariness; labor; toil; as, the fatigues of war.

II. Fatigue ·noun The weakening of a metal when subjected to repeated vibrations or strains.

III. Fatigue ·noun Weariness from bodily labor or mental exertion; lassitude or exhaustion of strength.

IV. Fatigue ·noun To weary with labor or any bodily or mental exertion; to harass with toil; to exhaust the strength or endurance of; to Tire.