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"

Moby Thesaurus II by Grady Ward, 1.0:

95 Moby Thesaurus words for "censorious":
   Quakerish, Victorian, abusive, accusatory, back-biting, belittling,
   bitchy, blackening, blameful, calumniatory, calumnious, captious,
   carping, catty, caviling, chiding, choicy, choosy, condemnatory,
   conscientious, contemptuous, contumelious, critic, critical,
   damnatory, defamatory, demure, denunciatory, deprecative,
   deprecatory, depreciative, depreciatory, derisive, derisory,
   derogative, derogatory, detractory, discriminating, discriminative,
   disparaging, exacting, execrating, execrative, execratory,
   fastidious, faultfinding, hidebound, hypercritical, invective,
   inveighing, judgmental, libelous, meticulous, mid-Victorian,
   minimizing, narrow, objurgatory, old-maidish, overcritical,
   overmodest, particular, pejorative, perfectionistic, picky,
   precise, precisianistic, priggish, prim, proscriptive, prudish,
   punctilious, puristic, puritanic, puritanical, reproachful,
   reprobative, reviling, ridiculing, sanctimonious, scandalous,
   scoffing, scrupulous, scurrile, scurrilous, selective, sensitive,
   slanderous, slighting, smug, stiff-necked, straitlaced, strict,
   stuffy, vilifying, vituperative