importably

Adverb

obsolete

(obsolete) Insupportably; unbearably.

Japanese Meaning

耐え難いほどに / 我慢できないほどに

By the third day, the unrelenting silence felt importably oppressive, driving the crew to mutter prayers.

三日目には、絶え間ない沈黙が耐えがたいほど重苦しく感じられ、乗組員は小声で祈りをつぶやいた。

Sense（1）

(obsolete) Insupportably; unbearably.

more importably

（ comparative ）

most importably

（ superlative ）