Synonyms and antonyms of Polite in an unpleasant or insincere way in American Thesaurus

proper (adjective)

behaving in a way that is so polite that other people feel annoyed or uncomfortable

suave (adjective)

confident and polite in a way that may not be sincere

obsequious (adjective)

too eager to please someone, in a way that does not seem sincere

simpering (adjective)

trying to be friendly and pleasant in a way that appears silly and not sincere

slimy (adjective)

informal polite and friendly in a way that is unpleasant because it is not honest or sincere

greasy (adjective)

very friendly and polite in a way that is unpleasant and not sincere

smarmy (adjective)

informal extremely pleasant and polite in a way that seems false

oily (adjective)

showing disapproval polite to people, but in an unpleasant way that does not seem sincere

mannered (adjective)

behaving, speaking, or writing in a way that is extremely formal and not natural

all sweetness and light ()

if a person or situation is all sweetness and light, they are very pleasant, often in a way that seems false