pernicious weed

15 LETTERS · STARTS WITH P

pernicious weed is a valid 15-letter word worth 22 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3E1R1N1I1C3I1O1U1S1W4E1E1D2

3 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 2 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does pernicious weed mean?