'Dissimulator' definitions:

Definition of 'dissimulator'

From: WordNet
noun
A person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives [syn: hypocrite, dissembler, dissimulator, phony, phoney, pretender]

Definition of 'Dissimulator'

From: GCIDE
  • Dissimulator \Dis*sim"u*la`tor\, n. [L.] One who dissimulates; a dissembler. [1913 Webster]