surveillance
WordReference English Thesaurus © 2025
Sense: Noun: monitoring
Synonyms:
observation, supervision Collocations, constant observation, inspection Collocations, monitoring Collocations, watch Collocations, spying, espionage, close watch, watchful eye, eagle eye, scrutiny Collocations, watchfulness, weather eye, vigilance, lookout Collocations, guard Collocations, keeping tabs on