259 entries under verb topic. ×

1
be alert(mind, notice, spot, avoid)
1
be apprised of(consider, see, note, regard)
1
be careful(mind, notice, spot, avoid)
1
be on guard(mind, notice, spot, avoid)
1
be on hand(mark, see, note, observe)
1
be on the scene(mark, see, note, observe)
1
be present(mark, see, note, observe)
1
be wary(mind, notice, spot, avoid)
1
beware(consider, see, observe, mind)
1
busybody(noun, watch, intrude, sneak)
1
cast around(expression, seek, search, hunt)
1
catch a glimpse of(expression, idiom, consider, see)
1
check over(expression, study, consider, see)
1
check up(expression, study, consider, examine)
1
clock(consider, see, note, regard)
1
consider(study, see, regard, catch)
1
delve(study, consider, examine, review)
1
discriminate(see, discover, identify, know)
1
eagle-eye(mark, see, note, regard)
1
eagle eye(expression, mark, consider, see)
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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>