adj

iffy

IH-fee

Iffy (adj) means Uncertain, doubtful, or of questionable quality. Example: “The weather forecast for the weekend looks iffy.”

adj

Uncertain, doubtful, or of questionable quality.

"The weather forecast for the weekend looks iffy."

"That leftover chicken smells a bit iffy — I wouldn't eat it."

How to use iffy

Learner’s notes

In plain EnglishNot quite trustworthy, reliable, or certain.

When to use it

Casual and conversational — not used in formal writing.

Common pairings

sound iffy a bit iffy iffy weather

iffier comparative, iffiest superlative

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Test yourself on “iffy” A quick quiz — meaning, synonyms & usage →

Can you complete this real example?

The weather forecast for the weekend looks _____.

From if + -y.

dicey dodgy dubious fishy questionable shady shonky sketchy

absolute reliable solid

good hard light total tried dark gas doubt

stiffy spiffy

What does “iffy” mean?

The word “iffy” means uncertain, doubtful, or of questionable quality. In plain terms, not quite trustworthy, reliable, or certain.

How do you pronounce “iffy”?

“Iffy” is pronounced IH-fee (/ˈɪfi/ in IPA).

How do you use “iffy” in a sentence?

Here is “iffy” used in a sentence: “The weather forecast for the weekend looks iffy.”

What is another word for “iffy”?

Words with a similar meaning to “iffy” include dicey, dodgy, dubious, fishy, questionable and shady.

What is the opposite of “iffy”?

The opposite of “iffy” — its antonyms — are absolute, reliable and solid.

What part of speech is “iffy”?

“Iffy” is an adjective.

good hard light total tried dark gas doubt