Synonyms of decisive in English:

decisive


See US English definition of decisive

See UK English definition of decisive

See Spanish definition of decisivo

adjective

1‘Crane was a very decisive man’

SYNONYMS
resolute, firm, strong-minded, strong-willed, determined
dogged, purposeful, forceful, emphatic, dead set, unhesitating, unwavering, unswerving, unfaltering, unyielding, unbending, inflexible, unmalleable, unshakeable, unrelenting, obdurate, obstinate, stubborn, intransigent
North American rock-ribbed
rare indurate
ANTONYMS

indecisive

2‘your qualifications are unlikely to be the decisive factor’

SYNONYMS
deciding, conclusive, determining, final, settling, key
pivotal, critical, crucial, momentous, significant, influential, important, major, chief, principal, prime, paramount
ANTONYMS

insignificant