IMPECCABLE /ɪmˈpɛkəbəl/ ► audio Scrabble 20 Words With Friends 26 Definition adjective without fault or error. — synonyms: faultless, immaculate, incorrupted adjective not capable of sin. Examples “He grew up in Norway, but he writes impeccable English.” See all 199 words you can make from IMPECCABLE → 10-letter words Words starting with I Words ending with E ← Unscramble different letters