104 entries under fortify topic. ×
| back up(verb, expression, support, increase, boost) | |
| band(verb, meet, develop, secure, join) | |
| bind(verb, set, fix, develop, secure) | |
| blend(verb, meet, develop, secure, join) | |
| bolster(verb, support, increase, establish, extend) | |
| carry(verb, support, increase, boost, sustain) | |
| centralize(develop, secure, join, unite, combine) | |
| concatenate(develop, secure, join, unite, combine) | |
| conjoin(verb, meet, develop, secure, join) | |
| corroborate(verb, support, increase, establish, extend) | |
| densen(develop, secure, join, unite, combine) | |
| enhance(verb, support, increase, establish, extend) | |
| enlarge(verb, support, increase, establish, extend) | |
| extend(verb, support, increase, establish, powerful) | |
| federate(develop, secure, join, unite, combine) | |
| fuse(verb, meet, develop, secure, join) | |
| heat up(verb, expression, support, increase, boost) | |
| heighten(verb, support, increase, establish, extend) | |
| hitch(develop, secure, join, unite, combine) | |
| hitch on(expression, develop, secure, join, unite) |
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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> |