-
twist
-
whim
-
kaprys, zachcianka, grymas
While you are there, please feel free to indulge your every whim.
My schedule is not subject to the whim of lunatics.
You can't change your university course on a whim.
-
grimace
She put down the receiver with a grimace.
His mouth twitched in an involuntary grimace.
-
scowl
-
contortion
-
vagary