32 entries under expression topic. ×

1
stake out(verb, examine, case, discover)
1
take in(verb, examine, discover, watch)
1
take note(verb, examine, case, discover)
1
undercover agent(noun, plant, watch, agent)
0
amicus curiae(idiom, information)
0
bring out(verb, phrasal verb)
0
fly cop
0
give away(verb, phrasal verb)
0
nose around(verb, discover, pry, snoop)
0
police dog
0
tell on(verb, phrasal verb)
0
work undercover(verb, discover, pry, snoop)
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APASmart Define. (2015). sleuth thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sleuth/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleuth thesaurus" https://smartdefine.org/sleuth/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sleuth thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sleuth/thesaurus/synonyms>.
MLASmart Define. "sleuth thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/sleuth/thesaurus/synonyms>