The most common and most likely answer to this crossword clue is the 9 letter word ASSIDUOUS
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More clues leading to the result ASSIDUOUS
- Diligent lasses find autocue’s failing regularly
- Hard-working Saudis everywhere love the FT
- Persevering with bottom notes from French interior
- Hard-working twosome? Union brought in help briefly
- Diligent, detaining one pair seen as suspicious?
- Diligent lasses find autocue's failing regularly
- Pair united in support, endlessly diligent
Buddy explains!

The straight part
We know that "diligent" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case diligent = assiduous.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 ASSIDUOUS mean?
ASSIDUOUS adjective- Hard-working, diligent or regular (in attendance or work); industrious.