IPA: /ˈstiːlɪnəs/
KK: /ˈstiːlɪnəs/
The quality of being tough, hard, or durable, similar to steel.
The steeliness of her resolve impressed everyone in the room.
Steeliness is formed from "steel" (from Old English "stæle", meaning a hard, strong metal) and "-ness" (meaning the state or quality of). The word "steeliness" refers to the quality or state of being like steel, particularly in terms of strength or hardness.
Think of the strong metal 'steel' and remember that 'steeliness' means the quality of being strong or hard like steel.