for certain

Idioms

Also, for sure. Without doubt. For example, I can't tell for certain if this is the right color, or I know for sure that she has a new car. The first term dates from the early 1300s. The variant, dating from the late 1500s, is also used colloquially to express agreement or assert the truth of a statement, as in Mary is really bossy.—That's for sure, or Are you coming to the party?—For sure I am.

Example Sentences

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for certain

Few companies are saying they plan to go on major hiring sprees, and employers are also making clear they are in the market for certain types of workers.

From The Wall Street Journal ● Jul. 27, 2026

Illinois: The sales-tax rate is being reduced from 6.25% to 1.25% Aug. 7-16 for certain school supplies at any price, as well as for clothing and shoes under $125 per item.

From MarketWatch ● Jul. 23, 2026

But the gains are uneven, and significant challenges remain for certain types of events.

From Barron's ● Jul. 16, 2026

"If you can trick gold into dissociating oxygen, it can actually become a very effective catalyst for certain reactions," Montemore said.

From Science Daily ● Jul. 12, 2026

Florida is one of a few states that allows the prosecutor to decide to charge a child in adult court for certain crimes and has no minimum age for trying a child as an adult.

From "Just Mercy" by Bryan Stevenson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

for certain

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