Irregular in example sentence
It was sixty metres from the cutting to the upbrow, and the passage, which the miners in the earth cutting had not yet enlarged, was a mere tube with a very irregular roof swollen by innumerable bosses; at certain spots the laden tram could only just pass; the putter had to flatten himself, to push on his knees, in order not to break his head, and besides this the wood was already bending and yielding.