56 entries under noun topic. ×

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intelligence gathering(expression, spying)
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meditation
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mole
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news
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phone tapping(expression, spying)
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reflection
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scout
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snooping
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speculation
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supposition
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theory
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tidings
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undercover operations
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underground activities
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understanding
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venture
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APASmart Define. (2015). espionage thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/espionage/thesaurus/synonyms
ChicagoSmart Define. 2015. "espionage thesaurus" https://smartdefine.org/espionage/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, espionage thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/espionage/thesaurus/synonyms>.
MLASmart Define. "espionage thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/espionage/thesaurus/synonyms>