Steely
['stiːlɪ] or ['stili]
Definition
(adj.) resembling steel in hardness .
(adj.) resembling steel as in hardness; 'steely eyes'; 'steely nerves like those of a steeplejack' .
Typist: Marvin--From WordNet
Definition
(a.) Made of steel; consisting of steel.
(a.) Resembling steel; hard; firm; having the color of steel.
Typist: Malcolm