The most common and most likely answer to this crossword clue is the 7 letter word BOMBAST
B
O
M
B
A
S
T
Buddy explains!
The straight part
We know that "Pomposity" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pomposity = bombast.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 BOMBAST mean?
BOMBAST noun- Cotton, or cotton wool.
- Cotton, or any soft, fibrous material, used as stuffing for garments; stuffing, padding.
- High-sounding words; language above the dignity of the occasion; a pompous or ostentatious manner of writing or speaking.
- To swell or fill out; to inflate, to pad.
- To use high-sounding words; to speak or write in a pompous or ostentatious manner.
- Big without meaning, or high-sounding; bombastic, inflated; magniloquent.