The Collaborative International Dictionary of English v.0.48:

Pharisaic \Phar`i*sa"ic\ (f[a^]r`[i^]*s[=a]"[i^]k), Pharisaical
\Phar`i*sa"ic*al\ (-[i^]*kal), a. [L. Pharisaicus, Gr.
   Farisai:ko`s: cf. F. pharisa["i]que. See Pharisee.]
   1. Of or pertaining to the Pharisees; resembling the
      Pharisees. "The Pharisaic sect among the Jews."
      --Cudworth.
      [1913 Webster]

   2. Hence: Addicted to external forms and ceremonies; making a
      show of religion without the spirit of it; ceremonial;
      formal; hypocritical; self-righteous. "Excess of outward
      and pharisaical holiness." --Bacon. "Pharisaical
      ostentation." --Macaulay.
      [1913 Webster] -- Phar`i*sa"ic*al*ly, adv. --
      Phar`i*sa"ic*al*ness, n.
      [1913 Webster]

WordNet (r) 3.0 (2006):

pharisaical
    adj 1: excessively or hypocritically pious; "a sickening
           sanctimonious smile" [syn: holier-than-thou,
           pietistic, pietistical, pharisaic, pharisaical,
           sanctimonious, self-righteous]

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "pharisaical":
   Pecksniffian, Tartuffian, Tartuffish, affected, canting, false,
   goody, goody-goody, holier-than-thou, hypocritic, hypocritical,
   insincere, mealymouthed, oily, pecksniffian, pharisaic, pharisean,
   pietistic, pious, sanctified, sanctimonious, self-righteous,
   simon-pure, sniveling, unctuous