English edit

Etymology edit

From definitely or definite +‎ -o (diminutive suffix).

Pronunciation edit

  • (UK) IPA(key): /ˈdɛfəʊ/
  • (file)

Adjective edit

deffo (comparative more deffo, superlative most deffo)

  1. (colloquial, Australia, UK, Ireland, Canada, usually with "for") Definite.
    • 2003, Grace Dent, LBD: it′s a girl thing[1], page 45:
      I know for certain they′re not speaking to each other, that′s for deffo, not that I′ve even seen them in the same room over the last week to confirm their silence.
    • 2009, Joe Stretch, Wildlife, unnumbered page:
      ‘An infection. Nothing serious. They′ll have some colour in them soon, for deffo.’
    • 2009, Stephen Leonard Lancashire, Immaculate Deception[2], page 271:
      “Couldn′t say for deffo, probably at least fifteen years old, but I know they don′t make them like these any more for exactly the reason you′ve just seen. The security systems shite.”
    • 2010, Simon Pegg, Nerd Do Well[3], page 25:
      Needles wilted under the force of Pegg′s demand, his eyes widened and he seemed to shrink in size, and I can′t say for deffo but I think he probably wet himself.

Adverb edit

deffo (comparative more deffo, superlative most deffo)

  1. (colloquial, Australia, UK, Ireland, Canada) Definitely.
    He told me that he's deffo going to be there tonight.
    • 2009, Nick Leather, Billy Wonderful[4], page 12:
      And I deffo don′t believe in me, cos I′m a proper knobhead, aren′t I, and always have been.
    • 2011, Andrew Fitzpatrick, Strictly Legal[5], page 128:
      It′s weird, but even though Dosser was only grounded for like two weeks, I was actually starting to kind of miss him, and I deffo would′ve loved to have gone for a good old-fashioned crow-hunt that Saturday afternoon, [] .
    • 2011, Maggie Graham, Me and My Animals[6], page 142:
      [] And no giving in at the slightest whimper. Agreed?’
      Deffo!’ He couldn′t see my fingers crossed behind my back.

Anagrams edit