68 entries under prepare topic. ×
| inure(verb, study, develop, improve) | |
| season(noun, verb, study, close, set) | |
| temper(noun, verb, close, set, settle) | |
| toughen(verb, support, close, set, increase) | |
| accustom(verb, study, develop, improve) | |
| steel(verb, support, close, set, increase) | |
| acclimatize(verb, close, set, continue, firm) | |
| acclimate(verb, close, set, keep, overcome) | |
| confirm(verb, support, strong, increase, establish) | |
| anneal(verb, support, close, set, increase) | |
| train(noun, verb, endure, adjust) | |
| habituate(verb, study, develop, improve) | |
| adjust(verb, endure, adapt, thicken) | |
| discipline(verb, study, develop, improve) | |
| familiarize(verb, endure, adjust, adapt) | |
| develop(verb, form, study, secure, join) | |
| break in(verb, expression, study, develop, improve) | |
| condition(verb, endure, adjust, familiarize) | |
| endure(verb, keep, overcome, resist) | |
| tame(verb, study, develop, improve) |
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| APA | Smart Define. (2016). harden thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/harden/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harden thesaurus" https://smartdefine.org/harden/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, harden thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/harden/thesaurus/synonyms>. |
| MLA | Smart Define. "harden thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/harden/thesaurus/synonyms> |