INSUFFERABLY

insufferably

(adverb) in an extremely arrogant or conceited manner

insufferably, unsufferably

(adverb) to an insufferable degree; “it was insufferably hot in the room”

Source: WordNet® 3.1

---

Etymology

Adverb

insufferably (comparative more insufferably, superlative most insufferably)

In an insufferable manner.

Source: Wiktionary

---

In*suf"fer*a*bly, adv.

Definition: In a manner or to a degree beyond endurance; intolerably; as, a blaze insufferably bright; a person insufferably proud.

INSUFFERABLE

In*suf"fer*a*ble, a.

1. Incapable of being suffered, borne, or endured; insupportable; unendurable; intolerable; as, insufferable heat, cold, or pain; insufferable wrongs. Locke.

2. Offensive beyond endurance; detestable. A multitude of scribblers who daily pester the world with their insufferable stuff. Dryden.

Source: Webster’s Unabridged Dictionary 1913 Edition

---