unweldy

For although I observ'd herein divers difficulties, yet were they not without cure, nor comparable to those which occurr in the reformation of the least things belonging to the publick: these great bodies are too unweldy to be rais'd; being cast down, or to be held up when they are shaken, neither can their falls be but the heavyest.

A Discourse of a Method for the Well Guiding of Reason and the Discovery of Truth in the Sciences Ren�� Descartes 1623