What is another word for anti-climactic?
Pronunciation: [ˈantikla͡ɪmˈaktɪk] (IPA) 
Anti-climactic is a term that describes a situation or event that finishes in a disappointing or unsatisfying way after building up much expectation. Some synonyms for anti-climactic include disappointing, underwhelming, flat, lackluster, unsatisfactory, mundane, uneventful, and dull. These words can be used to describe a wide range of situations, from a boring movie to a mediocre sports game or a predictable outcome to a long-awaited event. When something is described as anti-climactic, it means that it failed to deliver the level of excitement or emotional impact that was expected, leaving the audience feeling unfulfilled.
