Having our nose put out of joint is hard to bear (7)

I believe the answer is:

onerous

I'm a little stuck... Click here to teach me more about this clue!

'hard to bear' is the definition.
(I've seen this in another clue)

'having our nose put out of joint' is the wordplay.
'our nose' can be anagrammed to 'ONEROUS'.
But, I'm unsure how this is indicated.

'is' is the link.

Can you help me to learn more?

(Other definitions for onerous that I've seen before include "Challenging" , "quite a burden if so" , "Toilsome" , "No euros? That's burdensome" , "Effortful" .)

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

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