clandestine operation

NOUN
21 LETTERS · STARTS WITH C

clandestine operation is a valid 21-letter word worth 25 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3L1A1N1D2E1S1T1I1N1E1O1P3E1R1A1T1I1O1N1
3 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does clandestine operation mean?

NOUN · 1 SENSE
1

An intelligence operation so planned and executed as to insure concealment.