the world > action or operation > behaviour > bad behaviour > [noun] > unmannerliness > a breach of good manners (4)
A breach or violation of good manners or etiquette; a blunder or impropriety in manners, etc.
An act of rudeness or ill-breeding.
A rude or disagreeable remark; an argument or theory of a difficult and unprofitable character.
with qualifying words, as good, bad, etc. dog Latin: see dog-Latin n. at dog, n.1 compounds 3a; false Latin: Latin which is faulty in construction…