1. I hinted at his imprudence.

2. Hastiness, imprudence, unreasoning caution or fear, emotional immaturity.

3. She would not endure her son's imprudence.

4. He had the imprudence to run into debt.

5. His father ticked him off for his imprudence.

6. I suspect some imprudence of Mr. Franklin's on the Continent.

7. I hinted at his imprudence, his folly(), but he did not take my hint.

8. I hope not so. Imprudence or thoughtlessness in money matters would be unpardonable in me.

9. I hinted at his imprudence and his folly, but he did not take my hint.

10. Some dim ideas of imprudence or impropriety in the measure seemed to embrass him considerably.

11. I like your imprudence.

12. Education and knowledge without hard work do not necessarily guarantee success, and imprudence, indiscipline and emotional impulsivity contribute to failure. Dr T.P.Chia 

13. I was so persecuted with discussions arising from the publication of my theory of light that I blamed my won imprudence for parting with so substantial a blessing as my quiet to run after a shadow!