ARBOROUS Scrabble 10 Words With Friends 12 Scrabble letter values: A1R1B3O1R1O1U1S1 = 10 Definition adjective of or relating to or formed by trees. — synonyms: arborical, arboreal, arborary Examples “an arborous roof” See all 84 words you can make from ARBOROUS → 8-letter words Words starting with A Words ending with S ← Unscramble different letters