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
Coverage can be iffy in the mountains, for example.
—
Josh Max, Forbes.com, 25 July 2025
Those leftovers almost always stink, and the smell is particularly bad if the fish was iffy to begin with.
—Alison Foreman, IndieWire, 16 July 2025
Many sports injuries come from iffy form when landing.
—Henry Abbott, The Atlantic, 12 July 2025
The fate of the world, naturally, again turns iffy.
—Jake Coyle, Mercury News, 10 July 2025
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Josh Max, Forbes.com, 25 July 2025
Those leftovers almost always stink, and the smell is particularly bad if the fish was iffy to begin with.
—Alison Foreman, IndieWire, 16 July 2025
Many sports injuries come from iffy form when landing.
—Henry Abbott, The Atlantic, 12 July 2025
The fate of the world, naturally, again turns iffy.
—Jake Coyle, Mercury News, 10 July 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 5 Aug. 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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