adjective, if·fi·er, if·fi·est. Informal.
Related formsif·fi·ness, noun
Examples from the Web for iffy
He found it “iffy,” he says, and he started searching for vulnerabilities.
His firearm arrests and an iffy Navy record did not prevent him from signing on as a computer technician with The Experts.Aaron Alexis Was Hearing Voices a Month Before His Rampage|Michael Daly|September 18, 2013|DAILY BEAST
But progress turned out to be iffy—USAID was overwhelmed by the scale of the problems and “a shell of its cold war self.”The End of the Illusion: America Finally Learns Its Limits|Jacob Heilbrunn|April 30, 2013|DAILY BEAST
To supplement reader engagement (and to bypass The Daily Beast's iffy comments section) I'll be moderating a live chat.
Despite the sell-out crowd of 7,400, the mood was iffy from the get-go.Slash Talks Guns N’ Roses’ Future, New Album ‘Apocalyptic Love,’ and More|Marlow Stern|May 25, 2012|DAILY BEAST