BLAH

bombast, fustian, rant, claptrap, blah

(noun) pompous or pretentious talk or writing

Source: WordNet® 3.1

Etymology

Noun

blah (countable and uncountable, plural blahs)

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

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

Synonyms

• (nonsense, drivel): bosh, bombast, bunkum, claptrap, eyewash, fustian, rant, hooey, humbug, rubbish, twaddle

• (feeling of boredom, mild depression): malaise

Adjective

blah (comparative more blah, superlative most blah)

(informal) Dull; uninteresting; insipid.

(informal) Low in spirit or health; down.

Interjection

blah

An expression of mild frustration.

(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.

Representing the sound of vomiting. See bleah, bleh.