2 adverbs to describe how to insupportable

The fact was, that Bridget was an heiress; if not on a very large scale, still an heiress, and, what was more, unalterably so in right of her mother; and the thought that a son of his competitor, Doctor Woolston, should profit by this fact, was utterly insupportable to him.

Besides this, the motion of a sailing vessel is much stronger than that of a steamer; on the latter, however, many affirm that the eternal vibration, and the disagreeable odour of the oil and coals, are totally insupportable.

2 adverbs to describe how to  insupportable  - Adverbs for  insupportable