The Collaborative International Dictionary of English v.0.48:

Overtire \O`ver*tire"\, v. t.
   To tire to excess; to exhaust.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Overtire \O`ver*tire"\, v. t.
   To become too tired. --Br. Hall.
   [1913 Webster]

WordNet (r) 3.0 (2006):

overtire
    v 1: tire excessively [syn: overtire, overweary,
         overfatigue]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "overtire":
   beat, burn out, debilitate, do in, do up, enervate, exhaust, fag,
   fag out, fatigue, flag, frazzle, harass, jade, knock out, knock up,
   overfatigue, overstrain, overweary, poop, poop out, prostrate,
   tire, tire out, tire to death, tucker, use up, weaken, wear,
   wear down, wear on, wear out, weary, wilt, wind