unspeakable
[adjective]
Synonyms:
- indescribable, inconceivable, unbelievable, unimaginable
- dreadful, abominable, appalling, awful, heinous, horrible, monstrous, shocking

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Related Words: loathsome, offensive, repulsive, revolting, abominable, detestable, hateful, odious, distasteful, obnoxious, repellent, repugnant, atrocious, disgusting, outrageous

[TahlilGaran] English Synonym Dictionary ▲

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:
an unspeakable tragedy

2. literary unspeakable feelings are so extreme that it is impossible to describe them:
unspeakable joy
—unspeakably adverb

[TahlilGaran] Dictionary of Contemporary English ▲