blah

Noun

blah (countable and uncountable, plural blahs)

1. (informal, uncountable) Nonsense; drivel; idle, meaningless talk.

   Synonyms:

   bosh, bombast, rubbish, absurdity, all my eye, all my eye and Betty Martin, apple grease, applesauce, bafflegab, balderdash

2. (in plural, informal) A general or ambiguous feeling of discomfort, dissatisfaction, uneasiness, boredom, mild depression, etc.

   Synonyms:

   malaise

3. (derogatory, informal) A fool, an idiot.

Adjective

blah (comparative more blah, superlative most blah)

1. (informal) Dull; uninteresting; insipid.
   • Well, the new restaurant seems nice, but their menu is a little blah.
   • He was struck by how much pleasure they seemed to take in their daytime lives, how blah their night work was by contrast, how altogether meaningless; […]2001, Jonathan Franzen, The Corrections
2. (informal) Low in spirit or health; down.
   • I decided to go exercise rather than sit around all day feeling blah.

Interjection

1. An expression of mild frustration.
   • Blah! Why can't I get this computer to work!

   Synonyms:

   bah, blast, drat, fie

2. (When spoken repeatedly, often three times in succession: blah blah blah!) Imitative of idle, meaningless talk; used sometimes in a slightly derogatory manner to mock or downplay another's words, or to show disinterest in a diatribe, rant, instructions, unsolicited advice, parenting, etc. Also used when recalling and retelling another's words, as a substitute for the portions of the speech deemed irrelevant.
   • Yeah, yeah, blah blah blah, Mom, you said this all yesterday.
   • And then he was like, "Oh, my brother's an Internet millionaire, blah blah blah." Like I care!

   Synonyms:

   blah blah, blah blah blah, yada yada yada

3. Representing the sound of vomiting.

   Synonyms:

   bleah, blech, bleh

Verb

blah (third-person singular simple present blahs, present participle blahing, simple past and past participle blahed)

1. (intransitive) To utter idle, meaningless talk.
   • Ooh, I feel so guilty, I've got far too much money — […] So give it away, endow a charitable foundation, burn it, but stop blahing on about it […]2014, Shelagh Stephenson, Ancient Lights, page 28
   • Someone else said to me: “If you’re writing something again, don’t blah on about winning elections; it really offends them.”2015 August 29, Tony Blair, “Jeremy Corbyn’s politics are fantasy – just like Alice in Wonderland”, in The Guardian