| gelatinize(verb, form, set, develop) | |
| glue(verb, place, set, secure) | |
| implant(verb, place, set, secure) | |
| infix(verb, place, set, secure) | |
| install(verb, place, set, secure) | |
| jellify(verb, form, set, develop) | |
| jelly(verb, form, set, develop) | |
| link(verb, place, set, secure) | |
| lodge(verb, place, set, secure) | |
| maintain(verb, calm, encourage, raise) | |
| moor(verb, place, set, secure) | |
| press(verb, close, set, settle) | |
| rivet(verb, place, set, secure) | |
| starched(verb, close, set, firm) | |
| stick(verb, form, place, set) | |
| tie(verb, place, set, secure) | |
| uphold(verb, support, calm, maintain) | |
| become firm(verb, expression, harden, solidify) | |
| pin on |
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| APA | Smart Define. (2015). stiffen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stiffen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiffen thesaurus" https://smartdefine.org/stiffen/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, stiffen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stiffen/thesaurus/synonyms>. |
| MLA | Smart Define. "stiffen thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/stiffen/thesaurus/synonyms> |