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Updated June 2026
Close observation, especially of a suspected person or place. Surveillance involves monitoring activities, often using technology or systematic watching, for security or investigative purposes.
“The police conducted surveillance of the property for several weeks before making arrests.”
/səˈveɪ.ləns/
sur·veil·lance
Contains 'SURVEIL' base with multiple vowels; French-derived 'LANCE' ending
Valuable 12-letter word with 'V' and 'C' for extra points; security terminology
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