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
Despite iffy peripheral stats, the bullpen has been better since the trade deadline.
—
Cody Stavenhagen, New York Times, 8 Sep. 2025
Matthew Stafford is a bit iffy because of a bad back and other maladies common to aging quarterbacks.
—Kevin Cusick, Twin Cities, 5 Sep. 2025
Fast-forward to the 1980s and the couple have sworn off investigating any more paranormal activities on account of Ed’s iffy heart.
—Mark Kennedy, Boston Herald, 5 Sep. 2025
The box-office prospects for this outside New York City are iffy, however.
—Anne Thompson, IndieWire, 1 Sep. 2025
See All Example Sentences for iffy
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Cody Stavenhagen, New York Times, 8 Sep. 2025
Matthew Stafford is a bit iffy because of a bad back and other maladies common to aging quarterbacks.
—Kevin Cusick, Twin Cities, 5 Sep. 2025
Fast-forward to the 1980s and the couple have sworn off investigating any more paranormal activities on account of Ed’s iffy heart.
—Mark Kennedy, Boston Herald, 5 Sep. 2025
The box-office prospects for this outside New York City are iffy, however.
—Anne Thompson, IndieWire, 1 Sep. 2025
See All Example Sentences for iffy
Cite this Entry
“Iffy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iffy. Accessed 9 Sep. 2025.
Copy CitationKids 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
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