lame

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 and ineffectual; unsatisfactory: a lame attempt to apologize; lame excuses for not arriving on time.

tr.v., lamed, lam·ing, lames.

To cause to become lame; cripple.

[Middle English, from Old English lama.]