- harden
- Synonyms and related words:acclimate, acclimatize, accommodate, accustom, adapt, adjust, anneal, be tough, beef up, brace, brace up, break, break in, brutalize, buttress, cake, calcify, callous, case harden, caseharden, compact, concrete, condition, confirm, conform, congeal, consolidate, cornify, crystallize, densify, domesticate, domesticize, dry, endure, establish, familiarize, firm, fix, fortify, fossilize, freeze, gentle, gird, habituate, hang tough, housebreak, indurate, intensify, inure, invigorate, lapidify, lithify, naturalize, nerve, orient, orientate, ossify, petrify, prop, refresh, reinforce, reinvigorate, restrengthen, season, set, shore up, solidify, steel, stiffen, strengthen, support, sustain, tame, temper, toughen, train, turn to stone, undergird, vitrify, wont
Moby Thesaurus. Grady Ward. 1996.