125 entries under observe topic. ×

2
survey(verb, mark, consider, see, note)
1
advertise(verb, mark, see, respect, note)
1
apprehend(verb, see, notice, remark)
1
attend(verb, mark, see, respect, note)
1
be a witness(verb, mark, see, note)
1
be apprised of(verb, consider, see, note, regard)
1
be on hand(verb, mark, see, note)
1
be on the scene(verb, mark, see, note)
1
be present(verb, mark, see, note)
1
beware(verb, consider, see, mind)
1
catch a glimpse of(verb, expression, idiom, consider, see)
1
check over(verb, expression, study, consider, see)
1
clock(verb, consider, see, note, regard)
1
consider(verb, study, see, regard, catch)
1
eagle-eye(verb, mark, see, note, regard)
1
eagle eye(verb, expression, mark, consider, see)
1
flash on(verb, expression, mark, see, note)
1
gape(verb, consider, see, note, regard)
1
gawk(verb, consider, see, note, regard)
1
give the once over(expression, idiom, study, consider, see)
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APASmart Define. (2016). spy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/spy/thesaurus/synonyms
ChicagoSmart Define. 2016. "spy thesaurus" https://smartdefine.org/spy/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, spy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/spy/thesaurus/synonyms>.
MLASmart Define. "spy thesaurus" 10 February 2016. Web. 29 September 2026. <https://smartdefine.org/spy/thesaurus/synonyms>