smarmy
adjective
[ ˈsmɑːmi ]
• ingratiating and wheedling in a way that is regarded as insincere or excessive.
• "a smarmy, unctuous reply"
Similar:
unctuous,
ingratiating,
smooth,
slick,
oily,
greasy,
fulsome,
flattering,
obsequious,
sycophantic,
fawning,
slimy,
sucky,
soapy,
