from Wiktionary, Creative Commons Attribution/Share-Alike License.
superlativeform of ungainly: most ungainly.
Sorry, no etymologies found.
I've previously stated my dislike for North America's ugliest, ungainliest, and generally unappealing big-game animal.
He lay in the ungainliest attitude twenty feet below, one arm folded behind his back and his head turned at an impossible angle as if he were listening hard.
Or take the aspect of men, women, and children; how attractive some cannot help being, whatever they do; how helplessly unattractive and uninteresting others can be, and yet how, even so, a fine and sweet nature can make beautiful the plainest and ungainliest of faces.
"It will be the rawest, gauntest, ungainliest brute that ever scared the motor-bicycles on the Northampton Road.