As an adjective smirkier
is (smirky).
As a noun smirker is
one who smirks.
smirkier
English
Adjective
(head)
(smirky)
smirky
English
Adjective
(er)
Smirking, or as if smirking
*{{quote-book, 1880, , A Tramp Abroad, section=Part 6 citation
, passage=He introduced himself, smiling a smirky smile borrowed from the courtiers of the stage,
Derived terms
*smirkily
*smirkiness