insidiously

ADVERB /ɪn'sɪdiəsli/
11 LETTERS · 5 SYLLABLES · STARTS WITH I

insidiously is a valid 11-letter word worth 15 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1S1I1D2I1O1U1S1L1Y4
1 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 4 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does insidiously mean?

ADVERB · 1 SENSE
1

In a harmfully insidious manner.

“these drugs act insidiously”

SYNONYMS