mind-numbingly

Adverb

In a mind-numbing (boring) manner. / In a manner that leaves one stunned and horrified.

Japanese Meaning

脳や心を麻痺させるほど退屈な様子で / 心を打ちのめすほどの衝撃や恐怖を感じさせる様子で

The lecture on tax law was mind-numbingly long, and half the audience fell asleep.

税法の講義はうんざりするほど退屈で長く、聴衆の半分は眠ってしまった。

Sense（1）

In a mind-numbing (boring) manner.

mind-numbingly tedious work

Sense（2）

In a manner that leaves one stunned and horrified.

a mind-numbingly stupid take

more mind-numbingly

（ comparative ）

most mind-numbingly

（ superlative ）