199 entries under expression topic. ×

13
vouch for(verb, phrasal verb, support, help)
8
make sure(verb, idiom, support, secure)
7
make certain(verb, idiom, support, secure)
6
word of honor(noun, idiom, support, agreement)
5
stand behind(verb, phrasal verb, support, praise)
4
back up(verb, phrasal verb, support, maintain)
4
stand up for(verb, idiom, phrasal verb, support)
3
answer for(verb, phrasal verb, support, help)
3
sign for(verb, phrasal verb, support, maintain)
3
swear to(verb, support, maintain, back)
2
assert under oath(idiom, support)
2
attest to(verb, support, maintain, back)
2
bear witness(verb, idiom, promise)
2
bind oneself(verb, support, incite, promise)
2
commit oneself(verb, accept, start, try)
2
go for(verb, support, accept, start)
2
make safe(verb, confirm, protect, safeguard)
2
ride shotgun for(verb, idiom, support, maintain)
2
say so(verb, support, state, maintain)
2
solemn oath(assurance, promise, warrant)
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APASmart Define. (2015). guarantee thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/guarantee/thesaurus/synonyms
ChicagoSmart Define. 2015. "guarantee thesaurus" https://smartdefine.org/guarantee/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, guarantee thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/guarantee/thesaurus/synonyms>.
MLASmart Define. "guarantee thesaurus" 24 December 2015. Web. 22 September 2026. <https://smartdefine.org/guarantee/thesaurus/synonyms>