Antonyms for the word "most mindblown" could include the words mundane, unimpressive, unexciting, ordinary, and unremarkable. These words connote a lack of interest and stimulation, rather than the intense jolts of surprise and awe that one might experience when one is "mindblown." "Mundane" and "ordinary," for instance, suggest that something is commonplace and unexceptional, while "unexciting" and "unremarkable" imply that the thing in question fails to arouse any interest or excitement. Consequently, the use of antonyms for "most mindblown" may help to communicate a more neutral or negative perspective, rather than one of wonder and amazement.