226 entries under expression topic. ×

1
inside agent(noun, plant, agent, operative)
1
investigate survey(examine, try, discover, travel)
1
keep in sight
1
keep in view
1
keep under observation
1
keep under surveillance(verb, idiom, examine, case)
1
kick the tires(verb, idiom, study, check)
1
listen in(verb, study, consider, examine)
1
look about(verb, follow, pursue, investigate)
1
look around(verb, phrasal verb, follow, pursue)
1
make a reconnaissance
1
not accept(verb, doubt, question, repudiate)
1
not buy(verb, decline, dismiss, ignore)
1
not credit(verb, doubt, question, repudiate)
1
not swallow(verb, doubt, question, repudiate)
1
one at the controls(noun, idiom, leader, ship)
1
one at the wheel(noun, idiom, leader, ship)
1
pass on(verb, decline, dismiss, ignore)
1
plainclothes officer(agent, spy, informer, reporter)
1
play the spy
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APASmart Define. (2015). scout thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/scout/thesaurus/synonyms
ChicagoSmart Define. 2015. "scout thesaurus" https://smartdefine.org/scout/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, scout thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/scout/thesaurus/synonyms>.
MLASmart Define. "scout thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/scout/thesaurus/synonyms>