Verb
jumble up (third-person singular simple present jumbles up, present participle jumbling up, simple past and past participle jumbled up)
Synonym of jumble
We can, we must, jumble up the categories of reform and revolution, preferring change that, though perforce piecemeal, may, in its cumulative effect, become revolutionary. Roberto Mangabeira Unger
Some things you just can't explain. You don't even try. You don't know where to start. All your sentences would jumble up like a giant knot if you opened your mouth. Any words you used would come out wrong. R. J. Palacio