unfathomably

Adverb

In an unfathomable manner; beyond understanding.

Japanese Meaning

計り知れないほど / 理解を超えるほど / 測り知れないほど

He was unfathomably calm even as the ship listed and the storm raged around them.

船が傾き、嵐が周囲で吹き荒れる中、彼は計り知れないほど冷静だった。

Sense（1）

In an unfathomable manner; beyond understanding.

more unfathomably

（ comparative ）

most unfathomably

（ superlative ）