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Showing results for for certain. Search instead for For+certain.
Synonyms

for certain

Idioms  

  1. 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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Private credit remains an evolving part of the investment landscape and may offer diversification and income potential for certain investors.

From MarketWatch • Mar. 30, 2026

The researchers also found that intensity played a larger role for certain diseases.

From Science Daily • Mar. 30, 2026

After Lurie succeeded in getting those regulations waived for certain causes, the payments soared, according to filings.

From The Wall Street Journal • Mar. 30, 2026

"As the demand for certain breeds increases, we see a lot more unscrupulous breeding going on, including really poor breeding practices and puppy smuggling," he said.

From BBC • Mar. 18, 2026

In Massachusetts and Connecticut there still lingered “a traditional reverence for certain families, which has rendered the offices of government nearly hereditary in those families.”

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.