Wiktionary
misreckoned
vb. (en-past of: misreckon)
Usage examples of "misreckoned".
But in her topographical ignorance as a late comer to the place, she misreckoned the distance of her journey as not much more than half what it really was.
It was Trade Day, unless he'd misreckoned, and by noon he had a good chance of finding his uncles along the river front.
When Kantos Kan told me, I realized with a pang of dismay that I had misreckoned the time while I lay in the utter darkness of my cell.