The Collaborative International Dictionary of English v.0.48:

Censorious \Cen*so"ri*ous\, a. [L. censorius pertaining to the
   censor. See Censor.]
   1. Addicted to censure; apt to blame or condemn; severe in
      making remarks on others, or on their writings or manners.
      [1913 Webster]

            A dogmatical spirit inclines a man to be consorious
            of his neighbors.                     --Watts.
      [1913 Webster]

   2. Implying or expressing censure; as, censorious remarks.

   Syn: Fault-finding; carping; caviling; captious; severe;
        condemnatory; hypercritical. -- Cen*so"ri*ous*ly, adv.
        -- Cen*so"ri*ous*ness, n.
        [1913 Webster]

WordNet (r) 3.0 (2006):

censorious
    adj 1: harshly critical or expressing censure; "was censorious
           of petty failings"