unutterably

About 0.10 uses per million words.

Meaning

1. adverb In an unutterable manner; inexpressibly; so bad or otherwise extreme that one cannot talk about it.

Similar words

indescribably unspeakably ineffably inexpressibly unmentionably unfathomably unexpressably unmeasurably incommunicably unintelligibly

Often followed by

sad weary miserable sweet beautiful dull lonely boring tired