HARDEN: Synonyms and Related Words. What is Another Word for HARDEN?
The synonyms and related words of “Harden” are: temper, season, indurate, inure, solidify, set, become hard, become solid, congeal, clot, coagulate, stiffen, thicken, cake, freeze, bake, crystallize, toughen, desensitize, make insensitive, make tough, make unfeeling, harden someone's heart, reinforce, ossify, calcify, strengthen, lava, cement, ossified, intensify, fortify, steel, deepen, enhance, inflexible, reinforcement, intensification, strong, escalate and 11 more.