The most common and most likely answer to this crossword clue is the 5 plus 3 letter word INFRA DIG
I've seen this crossword clue in The Guardian
I
N
F
R
A
D
I
G
More clues leading to the result INFRA DIG
- Beneath one’s home, finds ruins after starting excavation
- Beneath one home, like hiding brother
- Terrible rag I find beneath me?
- Unworthy, if daring, broadcast
- Rag I find appalling; below the salt
- Beneath one, DI faring badly
- Undignified, if daring to be different
- In northern part of France, excavate beneath one
- It could be daring, if demeaning
- Crazily firing without notice — that’s demeaning
Buddy explains!
The straight part
We know that "Unworthy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unworthy = infra dig.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.