417 entries under verb topic. ×
| nerve(noun, close, set, settle) | |
| callous(close, set, settle, firm) | |
| caseharden(close, set, continue, firm) | |
| coarsen(feel, emotions, calcify, thicken) | |
| crystallize(form, close, set, develop) | |
| intensify(support, increase, establish, extend) | |
| prop(noun, support, increase, sustain) | |
| support(noun, increase, establish, extend) | |
| vitrify(close, set, settle, firm) | |
| adapt(adjust, thicken, stabilize, toughen) | |
| adjust(prepare, endure, adapt, thicken) | |
| calcify(close, set, settle, firm) | |
| conform(adjust, adapt, thicken, stabilize) | |
| discipline(study, develop, improve, prepare) | |
| familiarize(prepare, endure, adjust, adapt) | |
| gel(form, set, develop, combine) | |
| gird(support, close, set, settle) | |
| sustain(support, increase, keep, overcome) | |
| vivify(strength, stimulate, strengthen, refresh) | |
| amalgamate(close, set, meet, develop) |
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| APA | Smart Define. (2016). harden thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/harden/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harden thesaurus" https://smartdefine.org/harden/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, harden thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/harden/thesaurus/synonyms>. |
| MLA | Smart Define. "harden thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/harden/thesaurus/synonyms> |