Cryptic crossword clue
River in swollen condition – sound the alarm! 4,3

The most common and most likely answer to this crossword clue is the 4 plus 3 letter word RING OUT

I've seen this crossword clue in Financial Times
R
I
N
G
O
U
T

Buddy explains!

The straight part
We know that "sound the alarm" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sound the alarm = ring out.
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.

Crossword Answer definitions

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