Farcical, short satire has nothing to do with America (10)

I believe the answer is:

ridiculous

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'farcical' is the definition.
('ridiculous' can be a synonym of 'farcical')

'short satire has nothing to do with america' is the wordplay.
'short' means to remove the last letter.
'satire' becomes 'ridicule' (I've seen this before).
'has nothing to do with' becomes 'o' (I can't justify this - if you can you should give a lot more credence to this answer).
'america' becomes 'us' (abbreviation for the United States).
'ridicule' with its last letter taken away is 'ridicul'.
'ridicul'+'o'+'us'='RIDICULOUS'

Can you help me to learn more?

(Other definitions for ridiculous that I've seen before include "Absurd" , "not serious" .)

I've seen this clue in the Irish Times.

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