104 entries under fortify topic. ×
| hype(verb, support, increase, boost, sustain) | |
| incorporate(verb, meet, develop, secure, join) | |
| increase(verb, support, establish, extend, boost) | |
| join(verb, meet, develop, secure, stick) | |
| justify(verb, support, increase, establish, extend) | |
| lend a hand(verb, expression, idiom, support, increase) | |
| make firm(verb, expression, support, set, increase) | |
| mass(develop, secure, join, unite, combine) | |
| meld(develop, secure, join, unite, combine) | |
| mix(verb, meet, develop, secure, join) | |
| mount(verb, support, increase, establish, extend) | |
| multiply(verb, support, increase, establish, extend) | |
| pick up(verb, expression, support, increase, raise) | |
| pillar(verb, support, increase, boost, sustain) | |
| pool(verb, meet, develop, secure, join) | |
| powerful(verb, support, increase, establish, extend) | |
| prepare(verb, support, study, develop, improve) | |
| prop up(verb, expression, support, increase, boost) | |
| punch up(verb, expression, support, increase, boost) | |
| ready(verb, support, encourage, restore, uphold) |
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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> |