The prefix of the word "smirk" is "sm-" which means a slight curling of the lip, often indicating amusement or smugness.
The suffix "-y" can be added to "smirk" to create the word "smirky." This suffix is used to describe someone who often wears a smirk on their face.
The prefix of the word "share" is "sh-"
Oper is the prefix. There is no suffix. Able is the root word.
The prefix for inadequate is in-. The prefix in- means not.
She couldn't help but smirk as she delivered the unexpected punchline.
The suffix "-y" can be added to "smirk" to create the word "smirky." This suffix is used to describe someone who often wears a smirk on their face.
The word smirk is a noun meaning sly smile. Synonyms for the word smirk include beam, grin, leer, simper, grimace, grim, sneer, visage, and smug look.
Grin.
smirk
Josh had a smirk on his face when he got a B+ on his test.
Grin or smirk
smirk
perhaps "grimace"
smilestilestalestarestarksharkshirksmirk
"Johnny had a mischievous smirk upon his face after having read his sister's diary."
Smiling, beaming
quirk, smirk, shirk