The most common and most likely answer to this crossword clue is the 4 letter word BLAH
I've seen this crossword clue in Financial Times
B
L
A
H
More clues leading to the result BLAH
- Contemptuous cry about Liberal claptrap
- Empty bull, I do protest!
- Be loath, oddly, to offer nonsense
- British holidaymaker initially admits Los Angeles is dull
- Black Prince returns? Nonsense
- Dull talk starts by lecturing about heraldry
- It’s disgusting eating left tripe
- 21, born before Henry’s overthrown
- Rhubarb plants left among roots of willowherb, azalea and hyacinth
- Starts to believe Liberal’s acting honourably? Nonsense!
Buddy explains!
The straight part
We know that "nonsense" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case nonsense = blah.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BLAH mean?
BLAH noun- Nonsense; drivel; idle, meaningless talk.
- (in plural, the blahs) A general or ambiguous feeling of discomfort, dissatisfaction, uneasiness, boredom, mild depression, etc.
- To utter idle, meaningless talk.
- Dull; uninteresting; insipid.
- Low in spirit or health; down.
- 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.