jawbreaking

comparative more jawbreaking · superlative most jawbreaking

1. Very difficult to pronounce.

   If he had, he would probably write and talk in a jawbreaking technical language that we ordinary mortals could not more understand readily than we can work a cross-word puzzle without resorting to the dictionary.

   1934, Kansas Teacher and Western School Journal

   1 more example

   Lord Cockburn, whose forte was not the civil law, affected to listen attentively and take ample notes, when, at last, on Mr Brodie citing some German civilian with a jawbreaking name, his lordship interrupting him asked, […]

   1867, Hugh Barclay, I. S. H. Laidlaw, The Journal of Jurisprudence, volume 11, page 131