both‧ered [not before noun]
worried or upset
He doesn't seem too bothered about the things that are written about him in the papers.
No one else seemed bothered that Grandfather wasn't there.
2 especially British English
if you are not bothered about something, it is not important to you:
'What film do you want to see?' 'I'm not bothered.'
not bothered about
He's not bothered about getting the facts right.