flyaway

/F L AY1 AH0 W EY0/
noun
  1. 1

    A stray hair that is difficult to style.

  2. 2

    Anything that is difficult to capture or restrain.

  3. 3

    A kind of dismount from bars that incorporates one or more flips or twists.

adjective
  1. 1

    Disposed to fly away; unrestrained; light and free.

  2. 2

    Flighty; frivolous

  3. 3

    (of hair) Soft, light, unruly, and difficult to set into a style.

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