LACKS /læks/ Scrabble 11 Words With Friends 13 Definition LACKS is the plural of LACK. verb LACK: be without. Examples “My life lacks excitement.”“He'll never lack for company while he's got all that money.” Anagrams of LACKS calksslack See all 20 words you can make from LACKS → 5-letter words Words starting with L Words ending with S ← Unscramble different letters