Whether you’re a teacher or a learner, vocabulary. com can put you or your class on the path to systematic vocabulary improvement. You use blah, blah, blah to refer to something that is said or written without giving the actual words, because you think that they are boring or unimportant. See examples of blah used in a sentence.

How to use blah in a sentence. Not very good, special, or interesting: Not feeling much interest, energy, or excitement…. Learn more. Blah is usually repeated to suggest that what someone is saying is unimportant or boring. He got tired of hearing his mother tell him to brush his teeth, clean his room, blah, blah, blah.

Blah is usually repeated to suggest that what someone is saying is unimportant or boring. He got tired of hearing his mother tell him to brush his teeth, clean his room, blah, blah, blah.