overstrung

The investigation slowed when solid leads became overstrung and scarce.

Jack rose to his feet, confused by this sudden turmoil coming when his nerves were overstrung.

True, he had seen no animals which he could have any cause to fear, but at this moment of overstrung nerves he felt a child's dread of the dark.

It wore a severe, and, to Mr. Binney's overstrung perceptions, it seemed a contemptuous look.

She is so overstrung that she has had to have sleeping drafts.