THWACK /θwæk/ ► audio Scrabble 18 Words With Friends 18 Scrabble letter values: T1H4W4A1C3K5 = 18 Definition verb deliver a hard blow to. — synonyms: smack noun a hard blow with a flat object. Examples “The teacher smacked the student who had misbehaved” See all 30 words you can make from THWACK → 6-letter words Words starting with T Words ending with K ← Unscramble different letters