259 entries under verb topic. ×

5
reconnoiter(study, consider, follow, examine)
5
take in(expression, phrasal verb, mark, consider)
4
eyeball(study, mark, consider, see)
4
find out(expression, phrasal verb, activity, detect)
4
identify(consider, see, note, regard)
4
note(noun, mark, consider, see)
4
patrol(noun, person, plant, watch)
4
scrutinize(study, mark, consider, sound)
4
sense(noun, see, observe, notice)
4
stake out(expression, phrasal verb, study, consider)
3
eye(noun, consider, see, respect)
3
fish out(expression, phrasal verb, follow, discover)
3
follow(see, note, regard, observe)
3
listen in(expression, phrasal verb, study, consider)
3
mark(consider, see, respect, note)
3
pipe(mark, consider, see, respect)
3
reconnoitre
3
remark(mark, consider, see, respect)
3
scan(consider, sound, see, respect)
3
shadow(noun, follow, discover, watch)
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APASmart Define. (2016). spy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/spy/thesaurus/synonyms
ChicagoSmart Define. 2016. "spy thesaurus" https://smartdefine.org/spy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, spy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/spy/thesaurus/synonyms>.
MLASmart Define. "spy thesaurus" 10 February 2016. Web. 27 September 2026. <https://smartdefine.org/spy/thesaurus/synonyms>