Synonyms|32Antonyms|0|Broader|1Narrower|0Related|3
0
check out
0
keep under surveillance
0
look
0
look sharply at(verb, phrasal verb)
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peep
0
peep at(verb, phrasal verb)
0
shadow
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spy on(verb, phrasal verb)
0
spy out(verb, phrasal verb)
0
surveil
0
tail
0
trail
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APASmart Define. (2015). spy upon thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/spy_upon/thesaurus/synonyms
ChicagoSmart Define. 2015. "spy upon thesaurus" https://smartdefine.org/spy_upon/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, spy upon thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/spy_upon/thesaurus/synonyms>.
MLASmart Define. "spy upon thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/spy_upon/thesaurus/synonyms>