unjazzed adjective1 •(slang, old-fashioned) depressed; melancholyMYRRHA. I've tried to explain — I — I guess all these weeks I've been pretty well jazzed up — TOMMY. Well, then, what's suddenly happened to get you unjazzed? MYRRHA. I don't know. — 1965 formsmore unjazzed · most unjazzed