| Main Entry: | |
| Part of Speech: | verb |
| Definition: | become hard from aging |
| Synonyms: | congeal, fossilize, freeze, harden, indurate, petrify, solidify, stiffen, thicken, turn to bone |
| Antonyms: | melt, soften |
| Main Entry: | stabilize |
| Part of Speech: | verb |
| Definition: | make or keep in steady state; make resistant to change |
| Synonyms: | balance, ballast, bolt, brace, buttress, counterbalance, counterpoise, equalize, fasten, firm, firm up, fix, freeze*, maintain, ossify, poise, preserve, prop, secure, set, settle, stabilitate, steady, stiffen, support, sustain, uphold |
| Antonyms: | change, shake, vary, weaken, wobble |
| Main Entry: | stiffen |
| Part of Speech: | verb |
| Definition: | make or become harder |
| Synonyms: | anneal, benumb, brace, cake, candy, cement, chill, clot, coagulate, condense, congeal, crystallize, curdle, firm, fix, freeze, gel, harden, inflate, inspissate, jell, jelly, ossify, petrify, precipitate, prop, reinforce, set, solidify, stabilize, starch, steady, strengthen, tauten, tense, thicken |
| Antonyms: | liquefy, loosen, melt |
| Main Entry: | thicken |
| Part of Speech: | verb |
| Definition: | set; make more dense |
| Synonyms: | add, buttress, cake, clabber, clot, coagulate, condense, congeal, curdle, deepen, enlarge, expand, freeze, gel, grow thick, harden, inspissate, jell, jelly, ossify, petrify, reinforce, solidify, stiffen, swell, widen |
| Antonyms: | dilute, liquefy, melt, thin, water down |
| Main Entry: | indurate |
| Part of Speech: | verb |
| Definition: | harden |
| Synonyms: | acclimate, acclimatize, amalgamate, anneal, bake, brace, buttress, cake, calcify, callous, caseharden, cement, close, clot, coagulate, compact, concrete, congeal, consolidate, contract, crystallize, curdle, densify, dry, firm, fix*, fortify, fossilize, freeze, gird, jell, nerve, ossify, petrify, precipitate, press, reinforce, season, set, settle, solidify, starch, steel, stiffen, strengthen, temper, thicken, toughen, vitrify |
| Main Entry: | inspissate |
| Part of Speech: | verb |
| Definition: | thicken |
| Synonyms: | add, buttress, cake, clabber, clot, coagulate, condense, congeal, curdle, deepen, enlarge, expand, freeze, gel, grow thick, harden, jell, jelly, ossify, petrify, reinforce, solidify, stiffen, swell, widen |