Crossword Genius

Having very firm ideas, I got into bed (7)

Ross

I believe the answer is:

bigoted

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

'having very firm ideas' is the definition.
I can't tell whether this defines the answer.

'i got into bed' is the wordplay.
'into' is an insertion indicator.
'i'+'got'='igot'
'igot' going within 'bed' is 'BIGOTED'.

Can you help me to learn more?

(Other definitions for bigoted that I've seen before include "Prejudiced and intolerant" , "I go into debt, being prejudiced" , "Dogmatic" , "Obstinate" , "Refusing to listen to reason" .)

I've seen this clue in the Evening Standard.
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