miffed /mɪft/ adjective2 •(informal) Somewhat indignant, irritated, angry, in a snit, put out or annoyed.I was miffed at Rick for his behavior. I was miffed at the coach, not for his naivete of deafness, but for his arrogance, which converted his ignorance to stupidity. — 2003 •(UK) Confused; unable to understand. formsmore miffed · most miffed