Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sleuthing

1 sense of sleuthing

Sense 1
detection, detecting, detective work, sleuthing -- (a police investigation to determine the perpetrator; "detection is hard on the feet")
       => police work, police investigation -- (the investigation of criminal activities)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb sleuth

1 sense of sleuth

Sense 1
spy, stag, snoop, sleuth -- (watch, observe, or inquire secretly)
       => monitor, supervise -- (keep tabs on; keep an eye on; keep under surveillance; "we are monitoring the air quality"; "the police monitor the suspect's moves")