Definition of but then in English:

but then

phrase

  • After all; on the other hand (introducing a contrasting comment)

    ‘it couldn't help, but then again, it probably couldn't hurt’
    ‘it's a very hard exam, but then they all are’
    • ‘But then, they would be, wouldn't they?’
    • ‘Most of the people I have spoken to since agree but then they don't live in homes with gardens big enough to warrant weekly collections of garden waste!’
    • ‘"But then they're bred for it, aren't they?" she adds as an afterthought.’