The definition of a smirk is a conceited or arrogant smile or facial expression.(noun)
An example of a smirk is the conceited smile you might get after you have just defeated an opponent.
To smirk is to make a conceited and arrogant facial expression or to smile in an arrogant way.(verb)
When you give an arrogant smile after defeating your opponent, this is an example of a smirk.
See smirk in Webster's New World College Dictionary
Origin: ME smirken < OE smearcian, to smile
See smirk in American Heritage Dictionary 4
intransitive verb smirked, smirk·ing, smirks
Origin: Middle English smirken
Origin: , from Old English smercian, to smile; see smei- in Indo-European roots.
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