six ways to Sunday

Adverb

colloquial idiomatic not-comparable

(idiomatic, colloquial) Thoroughly, completely, in every way imaginable.

Japanese Meaning

徹底的に / 完全に / 隅々まで / あらゆる面で

She researched the proposal six ways to Sunday before presenting it to the board.

彼女は取締役会に提出する前に、その提案をあらゆる面から徹底的に調査した。

Sense（1）

(idiomatic, colloquial) Thoroughly, completely, in every way imaginable.

He will fry me six ways to Sunday for sending daughters and young mothers off to war -- and, quite possibly, for bringing them back in body bags.