adverb, noun
with all one's might; to the utmost
Used to describe doing something with maximum effort, energy, or volume. Often appears as こんかぎりに or こんかぎりの.
彼はこんかぎりの声で助けを呼んだ。
He shouted for help at the top of his lungs.
こんかぎりの力を振り絞って走った。
I ran with every ounce of strength I had.
Compound of 根 (こん, 'root, source') and 限り (かぎり, 'limit'), literally 'to the root's limit'. The exact historical derivation is uncertain, but it conveys the idea of exhausting one's fundamental capacity.