173 entries under strengthen topic. ×
| close ranks(verb, expression, meet, join, link) | |
| coadjute(verb, meet, join, combine, link) | |
| coalesce(verb, meet, join, link, connect) | |
| commingle(verb, meet, join, link, connect) | |
| concatenate(develop, secure, join, unite, combine) | |
| concur(verb, meet, join, combine, link) | |
| confederate(verb, meet, join, link, connect) | |
| conjoin(verb, meet, develop, secure, join) | |
| cooperate(verb, meet, join, combine, link) | |
| couple(noun, verb, place, set, meet) | |
| curdle(verb, close, set, settle, firm) | |
| densen(develop, secure, join, unite, combine) | |
| embody(verb, meet, join, link, connect) | |
| emphasize(verb, support, increase, boost, sustain) | |
| enlarge(verb, support, increase, establish, extend) | |
| entrench(verb, support, place, set, secure) | |
| federate(develop, secure, join, unite, combine) | |
| firm up(verb, expression) | |
| fuse(verb, meet, develop, secure, join) | |
| gather together(verb, expression, meet, join, link) |
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| APA | Smart Define. (2016). harden thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/harden/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harden thesaurus" https://smartdefine.org/harden/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, harden thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/harden/thesaurus/synonyms>. |
| MLA | Smart Define. "harden thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/harden/thesaurus/synonyms> |