INDEFINABLE Scrabble 17 Words With Friends 21 Definition adjective not capable of being precisely or readily described. — synonyms: undefinable adjective defying expression or description. — synonyms: indescribable, ineffable, unspeakable, untellable, unutterable See all 289 words you can make from INDEFINABLE → 11-letter words Words starting with I Words ending with E ← Unscramble different letters