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

Despite how hard it is to say goodbye, one thing’s for certain.

From Los Angeles Times ● Sep. 11, 2026

And future centers may be able to use the Opportunity Zone program, which will soon offer enhanced tax breaks for certain rural investments.

From The Wall Street Journal ● Sep. 9, 2026

Jackson flags this exact relationship in her dissent, as the court’s new ruling Monday “lets another shoe drop in the Kafkaesque nightmare that our precedents have been steadily creating for certain plaintiffs.”

From Slate ● Aug. 25, 2026

What is for certain is that Iraola needs more options.

From BBC ● Aug. 23, 2026

“Two in Antarctica, although one is underground. Harsh environment. Perfect for certain species, though.”

From "Fablehaven" by Brandon Mull

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

for certain

Example Sentences

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