Coarse jargon used in various languages (5)

I believe the answer is:

slang

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'coarse jargon' is the definition.
'slang' can be an answer for 'jargon' (synonyms). I am unsure of the 'coarse' bit.

'in various languages' is the wordplay.
'in' indicates the answer is hidden within the clue.
'SLANG' can be found hidden inside 'various languages'.

'used' acts as a link.

Can you help me to learn more?

(Other definitions for slang that I've seen before include "form of language" , "Vulgar parlance" , "Informal speech" , "Unconventional language" , "manner of speaking" .)

I've seen this clue in The Globe and Mail.

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