INSUPPORTABLY

Etymology

Adverb

insupportably (comparative more insupportably, superlative most insupportably)

In an insupportable manner.

Source: Wiktionary

INSUPPORTABLE

In`sup*port"a*ble, a. Etym: [L. insupportabilis: cf. F. insupportable. See In- not, and Support.]

Definition: Incapable of being supported or borne; unendurable; insufferable; intolerable; as, insupportable burdens; insupportable pain.

– In`sup*port"a*ble*ness, n.

– In`sup*port"a*bly, adv.

Source: Webster’s Unabridged Dictionary 1913 Edition