Ed lunched with us, getting sozzled — not planned (11)

I believe the answer is:

unscheduled

'not planned' is the definition.
(I've seen this before)

'ed lunched with us getting sozzled' is the wordplay.
'with' means one lot of letters go next to another.
'getting sozzled' indicates anagramming the letters (sozzled can mean drunk and therefore disordered).
'ed'+'lunched'+'us'='edlunchedus'
'edlunchedus' with letters rearranged gives 'UNSCHEDULED'.

(Another definition for unscheduled that I've seen is " Not planned".)

I've seen this clue in The Times.

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