unctuous
🇺🇸
/ˈʌŋktʃuəs/
🇬🇧
/ˈʌŋktʃuəs/
Someone who is overly nice or complimentary in a way that feels fake or insincere.
The salesman had an unctuous smile that made me feel uncomfortable.
판매원은 불편한 느낌을 주는 기름진 미소를 짓고 있었습니다.