Definition of niffy in English:

niffy

adjective

British
informal
  • See niff

    • ‘Because fish can be a bit niffy and you don't want to whiff up your best suit?’
    • ‘They prefer to live in groups and need frequent cleaning-out because ratties are a bit niffy!’
    • ‘It did get a bit niffy in there so every so often I swapped sides.’

Pronunciation

niffy

/ˈnɪfi/