lame 1 
(lām)
(lām)adj. lam·er, lam·est
1. Disabled so that movement, especially walking, is difficult or impossible: Lame from the accident, he walked with a cane. A lame wing kept the bird from flying.
2. Marked by pain or rigidness: a lame back.
3. Weak or ineffectual: a lame attempt to apologize.
4.
a. Informal Dull or unsatisfactory: That movie was so lame!
b. Slang Socially inappropriate; foolish.
tr.v. lamed, lam·ing, lames
To cause to become lame; cripple.
[Middle English, from Old English lama.]
lamely adv.
lameness n.