Fatigue

1. n. The weakening of a metal when subjected to repeated vibrations or strains.
2. n. Weariness from bodily labor or mental exertion; lassitude or exhaustion of strength.
3. n. The cause of weariness; labor; toil; as, the fatigues of war.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.