subsonic

/səb'sɑnɪk/
8 LETTERS · 3 SYLLABLES · STARTS WITH S

subsonic is a valid 8-letter word worth 12 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1U1B3S1O1N1I1C3
1 + 1 + 3 + 1 + 1 + 1 + 1 + 3 =12 PTS
DOUBLE WORD → 24TRIPLE WORD → 36
MEANING

What does subsonic mean?

OTHER · 1 SENSE
1

(of speed) less than that of sound in a designated medium.

“aircraft flying at subsonic speeds”