v. t. & i.1.To feel or grope in the dark.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
Grubble was standing in his shirt-sleeves at the door of his very clean little tavern waiting for me.
I watch television or potsy around or sleep until noon and then grubble into the office.
Software need not be restricted to 2D images, but can incorporate simple 3D functionality that will build on the motor skills of children through two handed manipulation of the Grubble cube.
-This (he pointed to the sharply dressed man sitting beside him) is Kevin Grubble of Architectural Digest.
Grubble looked at me--I was a young kid, a glorified intern, really--as if he were begging for my help.
-Thanks, Thomas, Grubble groveled, if you can help me out on this I'll owe you one.
Grubble seemed to be under the impression that I knew more than I was letting on about the building.
I walked over to the smaller tent where Grubble was hiding.
McKenna, of Grubble Road, Fazakerley, was later interviewed and initially claimed the listings were done by his mother, but later admitted he had been behind the scam.
Recycled rubber mulch: Grubble Products,
Grubble, Early English Furniture and Woodwork, 2 vols.
Or admire Grubble, Snitch and Grinoid from Rondra, a lush and beautiful green forest world.