toxic condition

NOUN
15 LETTERS · STARTS WITH T

toxic condition is a valid 15-letter word worth 26 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1O1X8I1C3C3O1N1D2I1T1I1O1N1
1 + 1 + 8 + 1 + 3 + 0 + 3 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does toxic condition mean?