Noun blah has 1 sense
  1. bombast, fustian, rant, claptrap, blah - pompous or pretentious talk or writing
    --1 is a kind of boredom, ennui, tedium; grandiosity, magniloquence, grandiloquence, rhetoric; boredom, ennui, tedium; grandiosity, magniloquence, grandiloquence, rhetoric
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