1
as in one
known but not named
a certain person told me that today is your birthday
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in sure
having or showing a mind free from doubt
I'm certain that they'll arrive on time
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in stable
having been established and usually not subject to change
a certain percentage of the profits will go to charity
Synonyms & Similar Words
Antonyms & Near Antonyms
4
as in necessary
impossible to avoid or evade
as he got older, the athlete began to feel the certain effects of the aging process on his body
Synonyms & Similar Words
Antonyms & Near Antonyms
5
as in reliable
not likely to fail
chicken soup is grandma's certain cure for pretty much whatever ails you
Synonyms & Similar Words
Antonyms & Near Antonyms
6
as in definite
not capable of being challenged or proved wrong
up to this point there's been no certain evidence that a crime has been committed
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of certain
Then he got caught up in the race to perform at certain festivals and venues, turning his career into a checklist.
—
Steven Vargas,
Los Angeles Times,
30 June 2026
The recall affects certain 2018-21 Navigator, Expedition, 2020-21 Explorer and Lincoln Aviator and 2021 F-150 vehicles, the regulator said.
—
Reuters,
NBC news,
30 June 2026
Contact certain people about the debt Debt collectors are generally permitted to contact the executor, administrator or personal representative handling the estate.
—
Angelica Leicht,
CBS News,
30 June 2026
Airbnb says its technology is aimed at blocking certain potentially higher-risk bookings with the aim of reducing the risk of disruptive parties.
—
Michael Goldstein,
Forbes.com,
30 June 2026
See All Example Sentences for certain
Steven Vargas,
Los Angeles Times,
30 June 2026
The recall affects certain 2018-21 Navigator, Expedition, 2020-21 Explorer and Lincoln Aviator and 2021 F-150 vehicles, the regulator said.
—
Reuters,
NBC news,
30 June 2026
Contact certain people about the debt Debt collectors are generally permitted to contact the executor, administrator or personal representative handling the estate.
—
Angelica Leicht,
CBS News,
30 June 2026
Airbnb says its technology is aimed at blocking certain potentially higher-risk bookings with the aim of reducing the risk of disruptive parties.
—
Michael Goldstein,
Forbes.com,
30 June 2026
See All Example Sentences for certain
Recent Examples of Synonyms for certain
Adjective
-
Drinkwater didn't make one appearance in a Chelsea shirt last season, whilst Bakayoko spent the season in Italy on loan at AC Milan.
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Decisions made by engineers today, in other words, will determine not how one car drives but how all cars drive.
Adjective
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Cruz, who also gave up an RBI single to Anthony Seigler and a game-tying sac fly to Tsung-Che Cheng, made sure to take responsibility for his part in the loss.
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Update your emergency kit and be sure to include enough food and water to last for 3 days for each person in your home.
Adjective
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Both Dayana Patino and her baby son Juan David Trujillo were in a stable condition on Sunday in hospital in the Venezuelan capital Caracas, AP reported.
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Four were listed in critical condition, and six others, including the driver, were listed in stable condition.
Adjective
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Anything tragic that happened to minorities was inevitable and necessary.
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No contribution is necessary but encouraged once the account is open so savings can grow, the site said.
Adjective
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Andrews, a lifelong resident of Red Hook Houses West, said the community has waited long enough for a reliable pool.
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No reliable figures are available for battlefield casualties in the war.
Adjective
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Overall definite recommend on Screen Engine and Rentrak’s Postmark audience exits was 52%, versus Superman at 74%.
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Elements like paint, lighting, furniture, and decor are definite opportunities to have a little more fun with trends without worrying about longer-term ramifications.
Adjective
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Exploring the recent opportunity Baird is confident Innio will be able to lead and set the highest price target at $50.
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Speaking of golf, a confident politician or a confident reporter, for that matter, should walk like a golfer coming down the fairway on the 18th hole with a three-stroke lead in a major tournament.
Adjective
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That deficit set off a litany of Boise chances in the final 10 minutes.
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That momentous draw came in the final group-stage game of the prestigious tournament.
Cite this Entry
“Certain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/certain. Accessed 5 Jul. 2026.
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