smarmiest
/ˈsmɑːrmɪst/Definitions
1. adjective
smugly self-satisfied, especially in a way that is considered insincere or annoying.
“The politician’s smarmiest smile did little to reassure the worried crowd.”
2. noun
a person who is smugly self-satisfied, especially in a way that is considered insincere or annoying.
“The smarmiest type of politician often wins elections, but they can be damaging to the country.”