Definition of "iffy"

iffy

/ˈɪfi/

adjective
comparative iffier, superlative iffiest
1. (slang) Of dubious authenticity, legitimacy or legality.
2. Uncertain or chancy.
  Quotations
  “He’s underground, anyway, so reception would be iffy.”
  2020, N. K. Jemisin, The City We Became, Orbit, page 416
  "Definitely something iffy, that's for sure.”
  2011, Terry Pratchett, Snuff, Doubleday, page 60