steely

/หˆstiหli/

IPA: /S T IY1 L IY0/

adjective
  1. 1

    Having qualities resembling those of steel, especially hard and resolute.

    โ€œThe bully backed down before his steely gaze.โ€

  2. 2

    Made of steel.

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