Indelicate
Part of speech: adjective
Definition: Improper or immodest. Coarse or tasteless. Tactless or undiplomatic.
Improper
Part of speech: verb
Definition: To appropriateTo behave improperly
Part of speech: adjective
Definition: unsuitable to needs or circumstances; inappropriateNot in keeping with conventional mores or good manners; indecent or immodestNot according to facts; inaccurate or erroneousNot consistent with established facts; incorrectNot properly named; See, for example, improper fraction