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Fatigue

That state, following a period of mental or bodily activity, characterised by a lessened capacity for work and reduced efficiency of accomplishment, usually accompanied by a feeling of weariness, sleepiness, or irritability. Get tired of something or somebody.Temporary loss of strength and energy resulting from hard physical or mental work; he was hospitalized for extreme fatigue; growing fatigue was apparent from the decline in the execution of their athletic skills; weariness overcame her after twelve hours and she fell asleep.Used of materials (especially metals) in a weakened state caused by long stress; metal fatigue.Tired, exhausted.