iffy

adjective

if·​fy ˈi-fē 

1

: having many uncertain or unknown qualities or conditions

an iffy proposition

2

: of inconsistent or unreliable quality

iffiness noun

Examples of iffy in a Sentence

Recent Examples on the Web

On top of that, two others — fullback Juszczyk (concussion) and Trent Williams (knee) — were iffy when the practice week began but ended up playing. —The Athletic Nfl Staff, New York Times, 22 Sep. 2025

The San Antonio Saviors want him as their next franchise player, but after sustaining a head injury, Cam’s draft stock is a little iffy. —Brian Truitt, USA Today, 20 Sep. 2025

If the weather looks iffy, find the farm on Facebook for the most up-to-date information. —Eleanor Nash, Kansas City Star, 18 Sep. 2025

This is the setup, as is the fact that late-September can still be rocky, and even after past bull-market rate cuts the near-term market response has been iffy and average. —Michael Santoli, CNBC, 17 Sep. 2025

Word History

Etymology

if entry 1

First Known Use

1937, in the meaning defined at sense 1

Rhymes for iffy

• jiffy

Kids Definition

iffy

adjective

if·​fy ˈif-ē 

1

: having many uncertain or unknown qualities or conditions

an iffy situation

2

: of inconsistent or unreliable quality

iffiness noun