Grammar
N2 connective

Even going so far as 〜てまで

Meaning

"Even going so far as to ~".

Formation

Notes

Marks an extreme the speaker judges excessive, so the second clause usually questions or rejects it — 〜必要はない, 〜たくない. The disapproval is part of the pattern.

Examples

I do not want to travel badly enough to go into debt for it.

Breakdown
getting into debt even going so far as travel do not want to go

I prepared for it, even staying up all night.

Breakdown
staying up all night going so far as prepared

I do not want to win badly enough to hurt people.

Breakdown
people hurting even going so far as want to win do not think

Is it a restaurant worth queueing for?

Breakdown
queue lining up even going so far as want to eat restaurant

It must have been a secret worth lying to protect.

Breakdown
telling a lie even going so far as want to protect secret

⚠️ Often confused with

About / to the extent 〜くらい

An approximate amount — "about ~" — or a degree — "to the extent that ~".

The more … the more 〜ば〜ほど

"The more ~, the more ~" — one thing increases as another does.

To the extent 〜ほど

Gives a yardstick for how much — "so ~ that …", "to the extent of ~".

Even 〜さえ

Picks an extreme example — "even ~". If this much is true, the rest follows.

Precisely 〜こそ

Singles something out for emphasis — "this is the one that ~", "precisely ~".

Utterly extreme 〜極まりない

"Extremely ~", "~ in the extreme" — an emphatic, usually critical judgement.

Beyond description 〜といったらない

"Indescribably ~", "~ beyond words" — an exclamation of extremity.

Ending up badly 〜始末だ

"It ended up ~ (of all things)" — a bad process reaches a worse conclusion.