- harden
- I(New American Roget's College Thesaurus)v. anneal, fire; steel; congeal, thicken (see hardness); accustom, inure, blunt. See habit, insensibility. Ant., soften.II(Roget's IV) v.1. [To make less pervious]Syn. steel, temper, anneal, solidify, mineralize, vitrify, precipitate, hornify, cornify, crystallize, freeze, amalgamate, coagulate, clot, granulate, make callous, make firm, make compact, make tight, make hard, convert to stone, congeal, ossify, petrify, starch, cure, bake, dry, flatten, cement, compact, consolidate, concentrate, sun, fire, fossilize, desiccate, braze, vulcanize, Harveyize, callous, incrassate, indurate, deposit, candy, toughen, fix, concrete, inspissate, encrust, lapidify; see also compress , press 1 , stiffen 2 , thicken 2 .Ant. soften*, unloose, melt.2. [To become less penetrable]Syn. solidify, congeal, jell, become dense, fix, settle, become fast, petrify, ossify, freeze over, fossilize, clot, cake, set, firm, curdle, coagulate, close, contract; see also freeze 1 , stiffen 1 , thicken 1 .Ant. liquefy, thaw*, soften.3. [To toughen]Syn. acclimate, acclimatize, indurate, habituate, inure, season, make callous, make unfeeling, make obdurate, discipline, accustom, train, coarsen, roughen, sear, embitter, develop, strengthen, brutalize, render insensitive, render insensible, render unimpressible, blunt, dull, envenom, numb, stupefy, benumb, stun, paralyze, steel; see also deaden 1 , stiffen 2 , teach 2 .Ant. weaken*, debilitate, soften.III(Roget's 3 Superthesaurus) v.1. stiffen solidify, thicken, set, toughen, indurate, compact, cement, temper, steel, freeze, petrify.2. accustom strengthen, steel, inure, season, case harden, toughen, acclimatize, gird, callous.ANT.: 1. soften, weaken, thinIV(Roget's Thesaurus II) verb 1. To make or become physically hard: cake, concrete, congeal, dry, indurate, petrify, set1, solidify. See SOLID. 2. To make firmer in a particular conviction or habit: confirm, fortify, strengthen. See STRONG. 3. To make resistant to hardship, especially through continued exposure: acclimate, acclimatize, caseharden, indurate, season, toughen. See CONTINUE, RESIST.
English dictionary for students. 2013.