Cynic
Definition 1 of 4
Pro Tip 1/3
Negative Connotation
Cynic often implies a negative view of human nature or motivations. The old man was such a cynic, always saying that charity was just for show.
Pro Tip 2/3
Mistrustful Attitude
It suggests that the person doesn't trust others' sincerity or goodness. As a cynic, she questioned her teammate's sudden helpfulness.
Pro Tip 3/3
Not Always Rude
Being a cynic does not necessarily mean being impolite or disrespectful. His cynical views were presented in a surprisingly polite conversation.