116 entries under idiom topic. ×

8
bear witness(verb, expression, law, give)
7
take an oath(verb, expression, declare, approve)
5
give one's word(verb, expression, declare, promise)
4
administer an oath(expression, promise)
4
give evidence(verb, expression, show, confirm)
4
have confidence in(verb, expression, phrasal verb, declare)
4
talk dirty(verb, expression, scorn, mock)
3
four-letter word(noun, expression, curse, promise)
2
bind oneself(verb, expression, support, maintain)
2
commit oneself(verb, expression, promise)
2
commit sacrilege(expression, scorn, mock, debase)
2
curse and swear(expression, malediction)
2
kiss the book(expression, affirmation)
2
make an affidavit(verb, expression, declare, undertake)
2
pledge oneself(verb, expression, declare, undertake)
2
stand up for(expression, support, state, press)
2
state under oath(verb, expression, declare, undertake)
2
swear an oath(expression, promise, vow)
2
swear up and down(verb, expression, phrasal verb, state)
2
use bad language(verb, expression, curse, damn)
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APASmart Define. (2016). swear thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/swear/thesaurus/synonyms
ChicagoSmart Define. 2016. "swear thesaurus" https://smartdefine.org/swear/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, swear thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/swear/thesaurus/synonyms>.
MLASmart Define. "swear thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/swear/thesaurus/synonyms>