Dictionary Check: subsonic

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"subsonic" is a valid word!

Scrabble 12 points

Words with Friends 16 points

adjective

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

Example: "aircraft flying at subsonic speeds"

Antonyms:

📖 Words starting with "s" 📖 Words starting with "su" 📖 Words containing "ub" 🏅 Letter Scores