Cryptic crossword clue
Less reliable fellow? That’s right 7

The most common and most likely answer to this crossword clue is the 7 letter word DICKIER

I've seen this crossword clue in The Guardian
D
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K
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Buddy explains!

The straight part
We know that "Less reliable" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case less reliable = dickier.
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 DICKIER mean?

DICKIER adjective
  1. Doubtful, troublesome; in poor condition
DICKIER adjective
  1. Like a dick, foolish or obnoxious

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