Crossword Genius

One way for a listener to use bad language (5)

Ross

I believe the answer is:

swear

I'm a little stuck... Click here to teach me more about this clue!

'use bad language' is the definition.
(I've seen this before)

'one way for a listener' is the wordplay.
'one way' becomes 'sw' (I can't explain this - if you can you should believe this answer much more).
'for' is a charade indicator (letters next to each other).
'a listener' becomes 'ear' (I've seen this before).
'sw'+'ear'='SWEAR'

'to' acts as a link.

Can you help me to learn more?

(Other definitions for swear that I've seen before include "Solemnly promise" , "Eff and blind" , "Use bad language" , "Assert" , "Curse" .)

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