Webster's 1828 Dictionary
DISSEMBLER
n.One who dissembles; a hypocrite; one who conceals his opinions or dispositions under a false appearance.
Webster's 1913 Dictionary
DISSEMBLER
DISSEMBLER Dis *sem "bler, n.
Defn: One who dissembles; one who conceals his opinions or dispositions under a false appearance; a hypocrite. It is the weakest sort of politicians that are the greatest dissemblers. Bacon. Priests, princes, women, no dissemblers here. Pope.
Syn. -- Dissembler, Hypocrite. A person is called a dissembler with reference to his concealment of his real character, and a hypocrite with reference to his assumption of a false character. But hypocrite is the stronger word, being commonly used to characterize a person who is habitually insincere and false, especially one who makes professions of goodness when his aims are selfish and his life corrupt.
American Oxford Thesaurus
dissembler
dissembler noun he was a born showman and dissembler: liar, dissimulator; impostor, humbug, bluffer, fraud, actor, hoaxer, charlatan. CHOOSE THE RIGHT WORD See quack . These notes show fine distinctions in meaning between closely related synonyms to help you find the best word.
Oxford Thesaurus
dissembler
dissembler noun he was a born showman and dissembler: liar, dissimulator, deceiver, deluder; humbug, bluffer, fraud, hoodwinker, impostor, actor, faker, hoaxer, charlatan, cheat, cheater.
The Wordsmith Dictionary