naite i
1. secret investigation; private enquiry
★ Common
Noun
#41012
1. secret investigation; private enquiry
1. Internal investigation; Undercover
1. Internal investigation; Investigating internally
1. Was an internal investigation.; Was undercover.
1. Internal investigation.; Undercover investigation.
1. Not internal investigation.; Not undercover work.
1. Was an internal investigation.; Was undercover.
1. It's not an internal investigation.; I'm not conducting an internal investigation.
1. Not an internal investigation.; Not conducting an internal investigation.
1. Not an internal investigation.; Not a detective working undercover.