1350–1400; Middle English tyred.
enervated. Tired, exhausted, fatigued, wearied, weary
suggest a condition in which a large part of one's energy and vitality has been consumed. One who is tired
has used up a considerable part of his or her bodily or mental resources: to feel tired at the end of the day.
One who is exhausted
is completely drained of energy and vitality, usually because of arduous or long-sustained effort: exhausted after a hard run.
One who is fatigued
has consumed energy to a point where rest and sleep are demanded: feeling rather pleasantly fatigued.
One who is wearied
has been under protracted exertion or strain that has gradually worn out his or her strength: wearied by a long vigil. Weary
suggests a more permanent condition than wearied: weary of struggling against misfortunes.