The most common and most likely answer to this crossword clue is the 5 letter word BAKED
I've seen this crossword clue in The Guardian
B
A
K
E
D
More clues leading to the result BAKED
Buddy explains!

The straight part
We know that "dried out" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dried out = baked.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 BAKED mean?
BAKED verb- (with person as subject) To cook (something) in an oven.
- (with baked thing as subject) To be cooked in an oven.
- To be warmed to drying and hardening.
- To dry by heat.
- To be hot.
- To cause to be hot.
- To smoke marijuana.
- To harden by cold.
- To fix (lighting, reflections, etc.) as part of the texture of an object to improve rendering performance.
- (with "in" or "into") To incorporate into something greater.
- That has been cooked by baking.
- High on cannabis.