So imprudent a match on both sides!

It is very imprudent to swim in the rapids.

Imprudent as a marriage would be, we now fear worse That it has not taken place.

I understand that he congratulates himself on having saved Mr Bingley the inconvenience of a most imprudent marriage.

I was assailed by the stupid, but unshakeable, idea that if I was imprudent enough to move my hand I'd be noticed.

If you were aware, father, of the very great disadvantage to us all, which has arisen from Lydia's unguarded and imprudent manner, which already arisen, but I'm sure you'd judge differently.