LENGTHWAYS Scrabble 20 Words With Friends 21 Definition adverb in the direction of the length. — synonyms: lengthwise, longwise, longways, longitudinally adjective running or extending in the direction of the length of a thing. — synonyms: lengthwise See all 543 words you can make from LENGTHWAYS → 10-letter words Words starting with L Words ending with S ← Unscramble different letters