no earthly reason

no conceivable reason. There is no earthly reason for your rude behavior. I can think of no earthly reason why the repairs should cost so much.

n. no conceivable reason. I can think of no earthly reason why the repairs should cost so much.

Name	Pronounced	Usage
Sini	SEE-nee	Finnish
Rufaro	-	Southern African, Shona
Stefania	ste-FAH-nyah (Italian), ste-FAHN-yah (Polish)	Italian, Polish
Sheila	['ʃi:lə]
Timur	tee-MOOR (Russian)	History, Tatar, Chechen, Kazakh, Uzbek, Russian
Orazio	-	Italian