It's safe to break up for holidays abroad (7)

I believe the answer is:

fiestas

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'up for holidays abroad' is the definition.
I can't tell whether this defines the answer.

'it's safe to break' is the wordplay.
'to break' indicates anagramming the letters.
'its'+'safe'='itssafe'
'itssafe' is an anagram of 'FIESTAS'.

Can you help me to learn more?

(Other definitions for fiestas that I've seen before include "It's safe to have public celebrations in Spain" , "holidays ..." .)

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