OET→hard-boiled

hard-boiled

EnglishOxford English Thesaurus

hard-boiled

adjective

informal

a hard-boiled undercover agent:

cynical, tough, hardened, hard-bitten, hard-headed, callous, as hard as nails, unsentimental, lacking sentiment, world-weary, case-hardened, toughened by experience;

informal hard-nosed, as tough as old boots;

rare indurate, indurated.

▷antonyms sentimental.

hard-boiled Oxford Dictionary of English