| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | hardened |
| Synonyms: | caked, calcified, cemented, compact, compressed, congealed, conglomerated, consolidated, dried, firm, indurate, monolithic, petrified, poured, precast, set, set in stone, solid, solidified, steeled, strong, unyielding |
| Notes: | cement comes from Latin caementum 'chips of stone'; cement is an ingredient of concrete, but is not a synonym; cement should be pronounced suh-MENT |
| Antonyms: | bending, flexible, pliable |
| Main Entry: | obdurate |
| Part of Speech: | adjective |
| Definition: | pigheaded, stubborn |
| Synonyms: | adamant, bullhead, callous, cold fish, dogged, firm, fixed, hanging tough, hard, hard-boiled, hard-hearted, hard-nosed, harsh, heartless, immovable, implacable, indurate, inexorable, inflexible, iron, mean, mulish, obstinate, perverse, relentless, rigid, set in stone, stiff-necked, thick-skinned, tough, tough nut to crack, unbending, uncompassionate, uncompromising, uncooperative, unemotional, unfeeling, unimpressible, unrelenting, unshakable, unsympathetic, unyielding |
| Antonyms: | amenable, gentle, submissive, susceptible, yielding |
| Main Entry: | stiff |
| Part of Speech: | adjective |
| Definition: | hard, inflexible |
| Synonyms: | annealed, arthritic, benumbed, brittle, buckram, cemented, chilled, congealed, contracted, creaky, firm, fixed, frozen, graceless, hardened, immalleable, impliable, incompliant, indurate, inelastic, jelled, mechanical, numbed, ossified, petrified, refractory, resistant, rheumatic, rigid, set, solid, solidified, starched, starchy, stark, steely, stiff as a board, stony, taut, tense, thick, thickened, tight, unbending, unflexible, ungraceful, unsupple, unyielding, wooden |
| Antonyms: | flexible, pliable, pliant, soft |
| Main Entry: | hard-bitten |
| 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 |