Shout and swear, heard getting strident (7)
I believe the answer is:
raucous
'strident' is the definition.
(I know that strident can be written as raucous)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for raucous that I've seen before include "Unpleasantly loud and harsh" , "Harsh, strident" , "Rowdy - strident" , "Harsh, noisy" , "Rough and discordant" .)