foreign intrusion

17 LETTERS · STARTS WITH F

foreign intrusion is a valid 17-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
F4O1R1E1I1G2N1I1N1T1R1U1S1I1O1N1
4 + 1 + 1 + 1 + 1 + 2 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does foreign intrusion mean?

1