The most common and most likely answer to this crossword clue is the 5 letter word SPRAG
S
P
R
A
G
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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 SPRAG mean?
SPRAG adjective- Lively, full of energy
- A billet of wood; a piece of timber, a similar solid object or constructed unit used as a prop.
- To check the motion of, as a carriage on a steep slope, by putting a sprag between the spokes of the wheel.
- To prop or sustain with a sprag.
- A young salmon.