Tire \Tire\, v. i. [imp. & p. p. Tired; p. pr. & vb. n. Tiring.]

[OE. teorien to become weary, to fail, AS. teorian to be tired, be weary, to tire, exhaust; perhaps akin to E. tear to rend, the intermediate sense being, perhaps, to wear out; or cf. E. tarry.]

To become weary; to be fatigued; to have the strength fail; to have the patience exhausted; as, a feeble person soon tires.

Source: Webster's Revised Unabridged Dictionary (1913)