Synonyms of steely in English:

steely


See definition of steely

adjective

1‘the steely predawn light’

SYNONYMS
blue-grey, grey, steel-coloured, steel-grey, iron-grey
harsh
ANTONYMS

soft

2‘his steely pectoral muscles’

SYNONYMS
hard, firm, toned, rigid, stiff, tense, tensed, taut, stretched
ANTONYMS

flabby

3‘he would stare hard at you with steely eyes’

SYNONYMS
cruel, unfeeling, merciless, ruthless, pitiless, heartless, hard-hearted, hard, stony, cold-blooded, cold-hearted, harsh, callous, severe, unmerciful, unrelenting, relentless, unpitying, unsparing, unforgiving, uncaring, unsympathetic, uncharitable, lacking compassion, remorseless, unbending, unmoved, inflexible, inexorable, implacable, unremitting
literary adamantine
rare marble-hearted
ANTONYMS

kind

4‘every candidate has displayed a steely determination to succeed’

SYNONYMS
resolute, firm, fixed, steadfast, dogged, single-minded
bitter, burning, fiery, ferocious, fierce, fanatical, furious
ruthless, inflexible, iron, granite, stony, grim, gritty, gutsy
unquenchable, unflinching, unswerving, unfaltering, untiring, unwavering, unyielding, undaunted
ANTONYMS

half-hearted