| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | hard |
| Synonyms: | adamantine, callous, compact, compacted, compressed, concentrated, consolidated, dense, firm, hard as nails, hard-handed, hardened, hardy, impenetrable, indurate, indurated, inflexible, iron, packed, rigid, rocky, rugged, set, solid, stiff, stony, strong |
| Main Entry: | hardened |
| Part of Speech: | adjective |
| Definition: | unfeeling |
| Synonyms: | accustomed, benumbed, callous, case-hardened, coldhearted, contemptuous, cruel, disdainful, habituated, hard-as-nails, hard-bitten, hard-boiled, hardhearted, heartless, impenetrable, impious, inaccessible, indurated, inured, irreverent, obdurate, obtuse, prepared, resistant, seasoned, steeled, toughened, unashamed, unbending, uncaring, uncompassionate, unemotional, unrepenting, unsubmissive |
| Antonyms: | compassionate, feeling, kind, nice, sympathetic |
| Main Entry: | remorseless |
| Part of Speech: | adjective |
| Definition: | without guilt in spite of wrongdoing |
| Synonyms: | avaricious, barbarous, bloody, callous, cruel, fierce, forbidding, greedy, grim, hard, hard-bitten, hard-hearted, hardened, harsh, impenitent, implacable, inexorable, inhuman, inhumane, insensitive, intolerant, merciless, murderous, obdurate, pitiless, relentless, rigorous, ruthless, sanguinary, savage, shameless, sour, tough, tyrannical, uncompassionate, uncontrite, unforgiving, unmerciful, unregenerate, unrelenting, unremitting, unrepenting, unyielding, vindictive |
| Antonyms: | ashamed, guilty, remorseful, sad, sorry |
| Main Entry: | tough |
| Part of Speech: | adjective |
| Definition: | sturdy, strong |
| Synonyms: | brawny, cohesive, conditioned, dense, durable, fibrous, firm, fit, flinty, hard, hard as nails, hard-bitten, hardened, hardy, healthy, indigestible, inflexible, leathery, lusty, mighty, molded, resilient, resistant, rigid, robust, rugged, seasoned, sinewy, solid, stalwart, steeled, stiff, stout, strapping, tenacious, tight, tough as nails, unbreakable, unyielding, vigorous, withstanding |
| Antonyms: | delicate, fragile, unstable, vulnerable, weak, wobbly |
| Main Entry: | tough |
| Part of Speech: | adjective |
| Definition: | obstinate, rough |
| Synonyms: | adamant, arbitrary, callous, confirmed, cruel, desperate, drastic, exacting, ferocious, fierce, firm, fixed, hard, hard-bitten, hard-boiled, hard-line, hard-nosed, hard-shelled, harsh, headstrong, immutable, inflexible, intractable, merciless, narrow, obdurate, pugnacious, refractory, resolute, ruffianly, ruthless, savage, severe, stern, stiff, strict, stubborn, taut, terrible, unalterable, unbending, uncompromising, uncontrollable, unforgiving, unmanageable, unyielding, vicious, violent |
| Antonyms: | gentle, kind, nice, tender |