shrug

/SH R AH1 G/
noun
  1. 1

    A lifting of the shoulders to signal indifference or a casual lack of knowledge.

    โ€œHe dismissed my comment with a shrug.โ€

  2. 2

    A cropped, cardigan-like garment with short or long sleeves, typically knitted.

verb
  1. 1

    To raise (the shoulders) to express uncertainty, lack of concern, (formerly) dread, etc.

    โ€œI asked him for an answer and he just shrugged.โ€

Source: https://en.wiktionary.org/wiki/shrug