Level best

//ˌlɛvl̩ ˈbɛst// noun

Definitions

Noun
  1. 1
    The very best that one can do. idiomatic

    "Then came a pause, each man aiming his level best, as indeed one is likely to do when one knows that life itself depends upon the shot."

  2. 2
    the greatest possible degree wordnet

Etymology

From level (“well balanced; even, steady”) + best.

Next best steps

Mini challenge

Unscramble this word: levelbest