185 entries under expression topic. ×

2
lay eyes on(verb, idiom, consider, see)
2
look for(verb, phrasal verb, follow, examine)
2
look into(verb, study, consider, sound)
2
look on(verb, mark, consider, see)
2
nose around(verb, phrasal verb, study, consider)
2
peep at(verb, phrasal verb, see, spot)
2
pick out(verb, see, catch, observe)
2
pick up on(verb, idiom, mark, see)
2
scout out(seek, search, hunt)
2
search out(verb, phrasal verb, detect)
1
Benedict Arnold(noun, informer, rat, turncoat)
1
Sherlock Holmes(agent, hound, police, informer)
1
bad person(opposition, agent, villain, rebel)
1
bird dog(agent, informer, reporter, gumshoe)
1
cast around(verb, seek, search, hunt)
1
catch a glimpse of(verb, idiom, consider, see)
1
check over(verb, study, consider, see)
1
check up(verb, study, consider, examine)
1
clap eyes on
1
deep throat(grass, sneak, decoy, informer)
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APASmart Define. (2016). spy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/spy/thesaurus/synonyms
ChicagoSmart Define. 2016. "spy thesaurus" https://smartdefine.org/spy/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, spy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/spy/thesaurus/synonyms>.
MLASmart Define. "spy thesaurus" 10 February 2016. Web. 22 September 2026. <https://smartdefine.org/spy/thesaurus/synonyms>