| Main Entry: | |
| 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: | fix |
| Part of Speech: | verb |
| Definition: | establish, make firm |
| Synonyms: | affix, anchor, attach, bind, catch, cement, congeal, connect, consolidate, couple, embed, entrench, fasten, freeze to, glue, graft, harden, implant, inculcate, infix, ingrain, install, instill, link, locate, lodge, moor, nail down, pin, place, plant, position, rigidify, rivet, root, secure, set, settle, solidify, stabilize, stay put, steady, stick, stiffen, thicken, tie |
| Antonyms: | change, destroy, disarrange, disorganize, unsettle |
| Main Entry: | fortify |
| Part of Speech: | verb |
| Definition: | encourage, reassure |
| Synonyms: | arouse, brace, buck up, build up, cheer, confirm, embolden, energize, enliven, hearten, invigorate, pour it on, punch up, rally, refresh, reinforce, renew, restore, rouse, stiffen, stir, strengthen, sustain |
| Antonyms: | discourage, dissuade, weaken |
| Main Entry: | freeze |
| Part of Speech: | verb |
| Definition: | make cold enough to become solid |
| Synonyms: | benumb, bite, chill, chill to the bone, congeal, frost, glaciate, harden, ice over, ice up, nip, pierce, refrigerate, solidify, stiffen |
| Antonyms: | boil, heat |
| Main Entry: | harden |
| Part of Speech: | verb |
| Definition: | make or become solid |
| Synonyms: | amalgamate, anneal, bake, brace, buttress, cake, calcify, callous, cement, close, clot, coagulate, compact, congeal, consolidate, contract, crystallize, curdle, densify, dry, firm, fix, fortify, fossilize, freeze, gird, indurate, jell, nerve, ossify, petrify, precipitate, press, reinforce, set, settle, solidify, starch, steel, stiffen, strengthen, temper, thicken, toughen, vitrify |
| Antonyms: | liquefy, melt, soften |
| Main Entry: | harden |
| Part of Speech: | verb |
| Definition: | accustom |
| Synonyms: | acclimate, acclimatize, adapt, adjust, blunt, brutalize, callous, callus, case-harden, climatize, coarsen, conform, deaden, develop, discipline, dull, embitter, habituate, indurate, inure, make callous, numb, paralyze, render insensitive, roughen, season, steel, stiffen, strengthen, stun, stupefy, teach, train |
| Antonyms: | be intolerant, indulge, spoil |
| Main Entry: | jell |
| Part of Speech: | verb |
| Definition: | coagulate |
| Synonyms: | clot, cohere, come together, condense, congeal, crystallize, finalize, form, freeze, gel, gelate, gelatinize, harden, jellify, jelly, materialize, set, solidify, stick, stiffen, take shape, thicken |
| Antonyms: | liquidate, melt |
| Main Entry: | ossify |
| 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: | reinforce |
| Part of Speech: | verb |
| Definition: | strengthen, augment |
| Synonyms: | add fuel to fire, add to, back up, beef up, bolster, boost, build up, buttress, carry, emphasize, energize, enlarge, fortify, harden, heat up, hype, increase, lend a hand, multiply, pick up, pillar, prop, prop up, punch up, shore up, soup up, stand up for, stiffen, stress, stroke, supplement, support, sustain, toughen, underline |
| Antonyms: | subtract, take away, undermine, weaken |