185 entries under expression topic. ×
| undercover agent(noun, idiom, person, plant) | |
| secret agent(noun, idiom, person, plant) | |
| catch sight of(verb, idiom, phrasal verb, consider) | |
| double agent(noun, idiom, person, plant) | |
| look at(verb, phrasal verb, mark, consider) | |
| espionage agent(noun, person, plant, mole) | |
| get a load of(verb, idiom, phrasal verb, mark) | |
| make out(verb, phrasal verb, mark, consider) | |
| stool pigeon(noun, idiom, grass, sneak) | |
| take in(verb, phrasal verb, mark, consider) | |
| find out(verb, phrasal verb, activity, detect) | |
| foreign agent(noun, person, plant, mole) | |
| intelligence agent(noun, idiom) | |
| stake out(verb, phrasal verb, study, consider) | |
| fish out(verb, phrasal verb, follow, discover) | |
| listen in(verb, phrasal verb, study, consider) | |
| check out(verb, study, consider, see) | |
| gaze at(verb, consider, note, observe) | |
| have in sight | |
| keep under surveillance(verb, idiom, follow, discover) |
For more, visit
Spy on
Power Thesaurus
| APA | Smart Define. (2016). spy thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/spy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "spy thesaurus" https://smartdefine.org/spy/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, spy thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/spy/thesaurus/synonyms>. |
| MLA | Smart Define. "spy thesaurus" 10 February 2016. Web. 20 September 2026. <https://smartdefine.org/spy/thesaurus/synonyms> |