40 entries under investigation topic. ×
| watch(noun, act, taste, care, case) | |
| supervision(noun, control, check, review, conclusion) | |
| vigilance(noun, act, care, case, watch) | |
| scrutiny(noun, study, check, taste, view) | |
| vigil(noun, act, care, case, watch) | |
| observation(noun, view, review, case, look) | |
| inspection(noun, study, control, check, view) | |
| reconnaissance(noun, view, review, intelligence, look) | |
| lookout(noun, act, place, care, watch) | |
| control(noun, verb, direction, management, running) | |
| examination(noun, study, check, review, look) | |
| direction(noun, control, management, running) | |
| spying(noun, scrutiny, following, shadowing) | |
| eye(noun, taste, view, review, sense) | |
| following(noun, scrutiny, shadowing) | |
| stakeout(noun, scrutiny, following, shadowing) | |
| survey(noun, study, check, view, review) | |
| bugging(noun, scrutiny, following, shadowing) | |
| eagle eye(noun, expression, study, taste, review) | |
| peeled eye(noun, expression, scrutiny, following) |
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| APA | Smart Define. (2015). surveillance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/surveillance/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "surveillance thesaurus" https://smartdefine.org/surveillance/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, surveillance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/surveillance/thesaurus/synonyms>. |
| MLA | Smart Define. "surveillance thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/surveillance/thesaurus/synonyms> |