SLACKEST Scrabble 14 Words With Friends 16 Definition SLACKEST is the superlative of SLACK. adjective SLACK: not tense or taut. Examples “a slack rope”“a slack hand”“slack in duty or service” Anagrams of SLACKEST tackless See all 212 words you can make from SLACKEST → 8-letter words Words starting with S Words ending with T ← Unscramble different letters