1. 
[syn: supercilious, sneering, snide]
The Collaborative International Dictionary of English v.0.48:
Snide \Snide\, a.
   1. Tricky; deceptive; contemptible; as, a snide lawyer; snide
      goods. [Slang, archaic]
      [1913 Webster]
   2. derogatory in an insinuating manner; as, a snide remark.
      [PJC] Snider rifle
WordNet (r) 3.0 (2006):
snide
    adj 1: expressive of contempt; "curled his lip in a supercilious
           smile"; "spoke in a sneering jeering manner"; "makes many
           a sharp comparison but never a mean or snide one" [syn:
           supercilious, sneering, snide]