NONPLUS /nɒnˈplʌs/ ► audio Scrabble 9 Words With Friends 14 Definition verb be a mystery or bewildering to. — synonyms: perplex, vex, stick, get, puzzle, mystify, baffle, beat See all 50 words you can make from NONPLUS → 7-letter words Words starting with N Words ending with S ← Unscramble different letters