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4 entries under idiom topic. ×

1
put on ice(expression, state, maintain, secure)
1
swear on bible(expression, state, maintain, declare)
1
swear up and down(expression, state, maintain, declare)
0
know for certain(verb, expression, verify, ensure)
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APASmart Define. (2011). have a lock on thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/have_a_lock_on/thesaurus/synonyms
ChicagoSmart Define. 2011. "have a lock on thesaurus" https://smartdefine.org/have_a_lock_on/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2011, have a lock on thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/have_a_lock_on/thesaurus/synonyms>.
MLASmart Define. "have a lock on thesaurus" 18 May 2011. Web. 28 September 2026. <https://smartdefine.org/have_a_lock_on/thesaurus/synonyms>