Separated with terrible trepidation (11)

I believe the answer is:

partitioned

'separated' is the definition.
(partitioning is a kind of separating)

'terrible trepidation' is the wordplay.
'terrible' indicates an anagram.
'trepidation' anagrammed gives 'PARTITIONED'.

'with' is the link.

(Another definition for partitioned that I've seen is " Divided into sections".)

I've seen this clue in The Irish Independent.

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