overextend

overextend
    v 1: strain excessively; "He overextended himself when he
         accepted the additional assignment" [syn: {overstrain},
         {overextend}]
    

23 Moby Thesaurus words for "overextend":
      haul, heave, inflate, overdevelop, overdistend, overdraw,
      overexert, overexpand, overstrain, overstretch, overtax, press,
      pull, rack, strain, strain every nerve, stress, stretch,
      sweat blood, swell, tax, tense, tug