grasp in the dark

To seek out a solution, meaning, or sense of purpose in a blind, aimless, or uncertain manner. Often used in the progressive tense. We've been grasping in the dark for a way to pay our mortgage, but I just don't see how we'll be able to afford it anymore. My recent breakup with Janice has left me grasping in the dark. In those first months after my husband's death, I felt like I was grasping in the dark day after day. Therapy was the only thing that got me through.