- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
122 entries under harden topic. ×
| press(verb, close, set, fix, settle) | |
| render insensitive(verb, expression, dull, develop, rough) | |
| roughen(verb, dull, develop, rough, adjust) | |
| season(verb, dull, close, set, develop) | |
| stabilize(verb, fix, develop, secure, join) | |
| stay together(verb, expression, meet, join, link) | |
| stuff(verb, give, charge, maintain, deliver) | |
| stun(verb, dull, develop, rough, adjust) | |
| stupefy(verb, dull, develop, rough, adjust) | |
| tauten(verb, reinforce, thicken, stabilize) | |
| teach(verb, dull, develop, rough, adjust) | |
| throw in with(verb, expression, idiom, meet, join) | |
| vitrify(verb, close, set, fix, settle) | |
| become rigid(verb, expression, thicken, solidify) | |
| braze(verb, set) | |
| firm up(verb, expression, severe, exercise, fortify) | |
| get hard(expression, set, freeze) | |
| inspissate(verb, reinforce, thicken, stabilize) | |
| jelly(verb, reinforce, thicken, stabilize) | |
| make difficult |
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| APA | Smart Define. (2016). strengthen thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/strengthen/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, strengthen thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/strengthen/thesaurus/synonyms>. |
| MLA | Smart Define. "strengthen thesaurus" 3 March 2016. Web. 1 October 2026. <https://smartdefine.org/strengthen/thesaurus/synonyms> |