undercover operation

1. 1.

   an operation involving secret work within a community or institution

   Broaderoperation

   Narrowerbuy-and-bust operation

Questions about undercover operation

What does undercover operation mean?

undercover operation means "an operation involving secret work within a community or institution".

Is undercover operation a common word?

undercover operation is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.