unspeakable
un‧speak‧a‧ble /ʌnˈspiːkəbəl/
adjective
an unspeakable tragedy
2. literary unspeakable feelings are so extreme that it is impossible to describe them:
unspeakable joy
—unspeakably adverb
un‧speak‧a‧ble /ʌnˈspiːkəbəl/
adjective Word Family: adjective: unspeakable, speechless, outspoken, spoken ≠ unspoken; noun: speaker, speech; verb: speak; adverb: unspeakably
1. used for emphasizing how bad someone or something is: 2. literary unspeakable feelings are so extreme that it is impossible to describe them:
—unspeakably adverb