shrug

verb (shrugs, shrugging, shrugged)

• raise (one’s shoulders) slightly and momentarily to express doubt, ignorance, or indifference:Jimmy looked enquiringly at Pete, who shrugged his shoulders [no object]:he just shrugged and didn’t look interested
• (shrug something off) dismiss something as unimportant:the managing director shrugged off the criticism

noun

• 1an act or instance of shrugging one’s shoulders:she lifted her shoulders in a dismissive shrug

• 2a woman’s close-fitting cardigan or jacket, cut short at the front and back so that only the arms and shoulders are covered.