Groan nit needs to change, being thus? (8)

I believe the answer is:

ignorant

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'groan nit needs to change being thus?' is the definition.
I can't judge whether this defines the answer.

'groan nit needs to change' is the wordplay.
'needs to change' indicates anagramming the letters.
'groan'+'nit'='groannit'
'groannit' with letters rearranged gives 'IGNORANT'.

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(Other definitions for ignorant that I've seen before include "Lacking in or good manners" , "Knowing nothing" , "ill-advised" , "Poorly-educated" , "left in the dark" .)

I've seen this clue in The Sunday Times.

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