Blah vs. Bleh

Blahnoun

Nonsense; drivel; idle, meaningless talk.

Blahnoun

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

Blahadjective

(informal) Dull; uninteresting; insipid.

Blahadjective

(informal) Low in spirit or health; down.

Blahinterjection

An expression of mild frustration.

Blahinterjection

(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.

Blahinterjection

Representing the sound of vomiting. See bleah, bleh.

Blahverb

(intransitive) To utter idle, meaningless talk.

Blahnoun

pompous or pretentious talk or writing

Blehinterjection

(slang) Used to reflect general indifference to a situation or topic.

Blehinterjection

(slang) An expression of mild disgust, possible imitative of vomiting

Blehadjective

(slang) Mildly uncomfortable; not good.