What Is Another Word For Not Fun?

What Is Another Word For Not Fun? boring. adjective. not at all interesting, and making you feel impatient or dissatisfied. dull. adjective. boring, or not interesting. tedious. adjective. boring and continuing for too long. uninteresting. adjective. not interesting. humdrum. adjective. … uninspired. adjective. … unexciting. adjective. … dreary. adjective. What is another word for not