It may be taken as an offence (7)

I believe the answer is:

umbrage

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'offence' is the definition.
(I know that offence can be written as umbrage)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for umbrage that I've seen before include "Take this to be offended" , "Resentment, offence" , "In high dudgeon" , "Feeling of anger caused by being offended" , "Suspicion of injury" .)

I've seen this clue in The Globe and Mail.

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