booster shot

NOUN /bustər_ʃɑt/
12 LETTERS · 2 SYLLABLES · STARTS WITH B

booster shot is a valid 12-letter word worth 16 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3O1O1S1T1E1R1S1H4O1T1
3 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 4 + 1 + 1 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does booster shot mean?

NOUN · 1 SENSE
1

An additional dose that makes sure the first dose was effective.

BROADER