Impropriety

n. (pl. ies) 1 lack of propriety; indecency. 2 instance of this. 3 incorrectness. improve iim’prftv/ v. (ving) 1 a make or become better. b (foll. by on, upon) produce something better than. 2 (as improving a(/.) giving moral benefit (improving literature). o improvable adj. improvement n. [AngloFrench emprower from French prow profit] improvident ftm’provid(a)nt/ adj. 1 lacking foresight. 2 profligate; wasteful.