iffy

adjective

if·​fy ˈi-fē How to pronounce iffy (audio)
Synonyms of iffynext
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Even with one of their stars out, the Warriors had no problem dicing up an iffy Hornets defense. Joseph Dycus, Mercury News, 18 Jan. 2026 For now, the medical establishment is still iffy on emoji — and not just at health systems. Katie Palmer, STAT, 14 Jan. 2026 The Texans gathered themselves after an iffy start and took a 7-6 lead when Stroud finished off a 16-play, 92-yard drive by flipping a pass to Kirk for a 4-yard touchdown. Will Graves, Twin Cities, 13 Jan. 2026 The cinematic pickings are notoriously iffy in January but your favorite services like Netflix, Peacock, Hulu, Disney+ and Amazon's Prime Video have got the hookup for every taste. Brian Truitt, USA Today, 9 Jan. 2026 See All Example Sentences for iffy

Word History

Etymology

if entry 1

First Known Use

1937, in the meaning defined at sense 1

Time Traveler
The first known use of iffy was in 1937

Cite this Entry

“Iffy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iffy. Accessed 27 Jan. 2026.

Kids Definition

iffy

adjective
if·​fy ˈif-ē How to pronounce iffy (audio)
1
: having many uncertain or unknown qualities or conditions
an iffy situation
2
: of inconsistent or unreliable quality
iffiness noun

More from Merriam-Webster on iffy

Last Updated: - Updated example sentences
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