Cryptic crossword clue
Filled out a complaint, say 5

The most common and most likely answer to this crossword clue is the 5 letter word GROWN

I've seen this crossword clue in The Guardian
G
R
O
W
N


Buddy explains!

The straight part
We know that "Filled out" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case filled out = grown.
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 GROWN mean?

GROWN verb
  1. To become larger, to increase in magnitude.
  2. To appear or sprout.
  3. To develop, to mature.
  4. To cause or allow something to become bigger, especially to cultivate plants.
  5. To assume a condition or quality over time.
  6. To become attached or fixed; to adhere.
GROWN adjective
  1. Covered by growth; overgrown.
  2. Of a person: adult.

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