The most common and most likely answer to this crossword clue is the 7 letter word BLOWIER
B
L
O
W
I
E
R
Buddy explains!
The straight part
We know that "being less calm" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case being less calm = blowier.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 BLOWIER mean?
BLOWIER adjective- Windy or breezy.
- (of fabric, hair, etc.) Billowy, blowing or waving in the wind.
- (of soil) Susceptible to drifting.