With strong connotations of being in the way. This is, alas, obsolete, having been deemed self-defining by the sieve of common usage. It seems to have been a northern English dialect word that gained wider currency in the 17th and 18th centuries -- or at least, that's when most of the citations are from. That's cumber is in the sense of burden, as in encumber. Which may be why I like the sound of it so much.
Richard II was found guilty of having been deposed and so a cumberground who told sad stories about kings.