Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Informal Doubtful; uncertain: an iffy proposition.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of dubious authenticity, legitimacy or legality.
  • adj. Uncertain or chancy.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. subject to accident or chance or change

Etymologies

From if.
(American Heritage® Dictionary of the English Language, Fourth Edition)
if +‎ -y (Wiktionary)

Examples

  • Under the Bush administration, instead of building a framework that would embrace broader strategies, we invested, for instance, billions of dollars in iffy research to abate GHG emissions primarily from oil refineries and power plants, by pumping it into the subterranean geological strata.

    Steven Apfelbaum: A Win-Win Policy: Conserving Lands and Mitigating Climate Change in a Public-Private Partnership

  • I dunno, I see "Syfy" and I see "siffy" at best ... and "iffy" is how I'm classifying this plan, in the end.

    Women Respond To The Letter Y, Apparently

  • One thing about the Friday the 13th remake/reboot/whatever you may call it that makes me a bit iffy is that they are redoing one of the two most iconic horror franchises (the other being Nightmare on Elm St) from when I was growing up.

    First Look: The New Jason Voorhees in Friday the 13th! « FirstShowing.net

  • Basically you have Ferrell - whose recent output might charitably be described as "iffy" - working a couple of dweeby riffs for all they're worth.

    KansasCity.com: Front Page

  • Sex is so normal that nobody pays much attention to what we might call iffy sex.

    Everyone Needs Therapy

  • I'm gonna warn you, many of these places are no-name iffy places that might make you wonder if you if you'r on the wrong side of the grid.

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  • The weather looks quite iffy, which isn't so bad for a bike ride on the greenway.

    NextReformation

  • Ever buy a gun you were 'iffy' on but then loved it?

    Acorn scandal

  • Arbon, are you speaking in generalities (Microsoft OS products are 'iffy' right out of the box!) are do you have current experience with an unstable Win7 product? arbon

    computers in mexico

  • Arbon, are you speaking in generalities (Microsoft OS products are 'iffy' right out of the box!) are do you have current experience with an unstable Win7 product?

    computers in mexico

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