The word "mindblown" is often used to describe something that is shocking, amazing, or awe-inspiring. However, there are several antonyms or opposites of this word that can be used to describe something that is unremarkable, mundane, or unimpressive. Some possible antonyms for "mindblown" include boring, dull, unexciting, uneventful, ordinary, average, predictable, run-of-the-mill, and unremarkable. These words suggest the opposite of being amazed or shocked and instead imply a lack of interest or excitement. While "mindblown" suggests a sense of wonder and amazement, these words convey a sense of a lackluster experience.