all-fired

Adverb

US emphatic informal intensifier not-comparable

(chiefly US, intensifier, informal) Extremely, thoroughly, very.

Japanese Meaning

極めて / 非常に / 徹底的に

After studying for twelve hours straight, she was all-fired exhausted but determined to finish.

12時間も休まず勉強した後、彼女はものすごく疲れていたが、それでも終わらせる決意は固かった。

Sense（1）

(chiefly US, intensifier, informal) Extremely, thoroughly, very.