- The definition of smarmy is someone who comes across as being insincere.
An example of someone who is smarmy is a used car salesman who tries to come across as if he is a distinguished businessman making you a fair deal but who sounds like he is lying.
smarmy definition by Webster's New World
smarmy definition by American Heritage Dictionary
adjective smarm·i·er, smarm·i·est
- Hypocritically, complacently, or effusively earnest; unctuous. See Synonyms at unctuous.
Origin: From smarm, to smear.
- smarm·i·ness noun