The Oxford Thesaurus An A-Z Dictionary of Synonyms - lameadj.

1) crippled, disabled, handicapped, hobbled, limping, incapacitated, impaired, halting, halt, spavined, Colloq US gimpy: The mare was found to be lame after the previous day's hunting. 2) feeble, weak, flimsy, thin, unconvincing, unpersuasive, awkward, clumsy, poor, ineffective, Colloq half-baked: Refusing to go because you have a headache sounds like a pretty lame excuse to me.