self-extermination

18 LETTERS · 5 SYLLABLES · STARTS WITH S

self-extermination is a valid 18-letter word worth 29 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1L1F4-0E1X8T1E1R1M3I1N1A1T1I1O1N1

1 + 1 + 1 + 4 + 0 + 1 + 8 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does self-extermination mean?