Synonyms of the word

weariness

• n. exhaustion, fatigue or tiredness.
• n. a lack of interest or excitement.

fatigue

• n. A weariness caused by exertion; exhaustion.
• n. (often in the plural) A menial task(s), especially in the military.
• n. (engineering) Material failure, such as cracking or separation, caused by stress on the material.
• v. (transitive) to tire or make weary by physical or mental exertion.
• v. (transitive, cooking) to wilt a salad by dressing or tossing it.
• v. (intransitive) to lose so much strength or energy that one becomes tired, weary, feeble or exhausted.
• v. (intransitive, engineering, of a material specimen) to undergo the process of fatigue; to fail as a result…

tiredness

• n. The state of being tired.