General synonyms:
* Flick: This implies a quick, dismissive gesture.
* Jerk: This suggests a sudden, abrupt movement.
* Twitch: This implies a small, involuntary movement.
* Grimace: This suggests a facial expression of doubt or disapproval.
* Scoff: This implies a dismissive or cynical attitude.
* Dismiss: This is a more formal way of saying "shrug off."
Words conveying specific emotions:
* Indifference: To show a lack of interest or concern.
* Apathy: To show a lack of emotion or enthusiasm.
* Disinterest: To show a lack of interest or concern.
* Disdain: To show contempt or scorn.
Words conveying specific actions:
* Roll one's shoulders: This is a more descriptive way of saying "shrug."
* Lift one's shoulders: This is another way to describe the physical action of shrugging.
* Wince: To flinch or recoil, often in response to pain or discomfort.
The best word to use will depend on the specific context and the desired meaning.