so much as

Adverb

not-comparable

Even; suggests a minimum, especially regarding what might be expected. / But rather.

Japanese Meaning

〜すらも（～すら） / 〜でさえ / むしろ（対比を示す場合に用いられる）

He didn't so much as apologize after breaking the vase.

彼は花瓶を壊しても謝ることさえしなかった。

Sense（1）

Even; suggests a minimum, especially regarding what might be expected.

Without so much as asking, he walked into the office and started digging through their files.

Sense（2）

But rather.

I'm not staring at her breasts so much as admiring her brooch.