steely

/ˈstili/
adjective
  1. Hard, strong, and shiny like steel.
    • The sky had a steely gray color before the storm.
    • Her eyes were steely and showed no fear.
    • The blade had a steely gleam in the sunlight.
  2. Very determined and not showing emotion.
    • He spoke with steely resolve, refusing to back down.
    • The coach gave the team a steely look that silenced everyone.
    • Her steely determination helped her finish the marathon.
Antonyms
What does "steely" mean? | whatsthatwordmean | whatsthatwordmean