Cryptic crossword clue
At university remain champion 6

The most common and most likely answer to this crossword clue is the 6 letter word UPHOLD

I've seen this crossword clue in The Guardian
U
P
H
O
L
D

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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 UPHOLD mean?

UPHOLD verb
  1. To hold up; to lift on high; to elevate.
  2. To keep erect; to support; to sustain; to keep from falling
  3. To support by approval or encouragement, to confirm (something which has been questioned)

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