CIRCUMFERENCE /sɜːˈkʌm.fɹəns/ ► audio Scrabble 24 Words With Friends 30 Definition noun the size of something as given by the distance around it. — synonyms: perimeter noun the boundary line encompassing an area or object. — synonyms: circuit noun the length of the closed curve of a circle. See all 190 words you can make from CIRCUMFERENCE → 13-letter words Words starting with C Words ending with E ← Unscramble different letters