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
Golden State traded Jonathan Kuminga and Buddy Hield to the Hawks for Porzingis, a 7-foot-2 sharpshooter and prolific shot-blocker with iffy health.
—
Joseph Dycus, Mercury News, 10 Feb. 2026
The dry-goods area atop the fridge sometimes stocked the Australian biscuit Tim Tams, but supplies were iffy.
—Gideon Lewis-Kraus, New Yorker, 9 Feb. 2026
Some players with iffy cases were going to make it, and some weren’t.
—Eric Koreen, New York Times, 2 Feb. 2026
For now, the medical establishment is still iffy on emoji — and not just at health systems.
—Katie Palmer, STAT, 14 Jan. 2026
See All Example Sentences for iffy
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Joseph Dycus, Mercury News, 10 Feb. 2026
The dry-goods area atop the fridge sometimes stocked the Australian biscuit Tim Tams, but supplies were iffy.
—Gideon Lewis-Kraus, New Yorker, 9 Feb. 2026
Some players with iffy cases were going to make it, and some weren’t.
—Eric Koreen, New York Times, 2 Feb. 2026
For now, the medical establishment is still iffy on emoji — and not just at health systems.
—Katie Palmer, STAT, 14 Jan. 2026
See All Example Sentences for iffy
Cite this Entry
“Iffy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iffy. Accessed 15 Feb. 2026.
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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