UNDERACTIVE Scrabble 17 Words With Friends 21 Scrabble letter values: U1N1D2E1R1A1C3T1I1V4E1 = 17 Definition adjective abnormally inactive. — synonyms: hypoactive See all 833 words you can make from UNDERACTIVE → 11-letter words Words starting with U Words ending with E ← Unscramble different letters