Shrug
Definition 1 of 2
Pro Tip 1/3
Non-committal
Shrug as a verb often suggests a lack of commitment or certainty. When asked about her plans, she would just shrug.
Pro Tip 2/3
Indifference
It may express indifference when someone doesn't have a strong opinion. They shrugged when the film ended, unimpressed.
Pro Tip 3/3
Impolite Dismissal
Using 'shrug off' can sometimes seem impolite or dismissive. He just shrugged off my concerns as if they were nothing.