The Collaborative International Dictionary
Maladdress
Maladdress \Mal`ad*dress"\, n. [Mal- + address.]
Bad address; an awkward, tactless, or offensive way of
accosting one or talking with one.
--W. D. Howells.
Wiktionary
maladdress
n. awkwardness, rudeness or a lack of politeness or tact when speaking to someone