deffo

adj

1. (Australia, Canada, Ireland, UK, colloquial, usually)Definite.

   “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.”

   “‘An infection. Nothing serious. They′ll have some colour in them soon, for deffo.’”

   ““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.””

   “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.”

adv

1. (Australia, Canada, Ireland, UK, colloquial)Definitely.

   “He told me that he's deffo going to be there tonight.”

   “And I deffo don′t believe in me, cos I′m a proper knobhead, aren′t I, and always have been.”

   “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,[…].”

   “‘[…]And no giving in at the slightest whimper. Agreed?’ ‘Deffo!’ He couldn′t see my fingers crossed behind my back.”