leave someone to their own devices

Definition

to leave alone, unsupervised, without assistance.

Example Sentences

• "Left to my own devices, I'll spend hours staring into space, just thinking."
• "Let's leave her to her own devices and see what she comes up with."
• "‘Forgive me,’ he said to the girl, ‘while I telephone to the Dubernes. I must arrange my rendezvous for dinner tonight. Are you sure you won't mind being left to your own devices this evening?’"