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Certain

7 lettersadjectivecommon

Updated June 2026

Definition

Completely sure or confident about something; having no doubt. It can also mean specific but not explicitly identified or stated.

I am certain that I locked the door before leaving the house.

Pronunciation

IPA

/sɜːtn/

Syllables

cer·tain

Related Words

Synonyms

Antonyms

unsureuncertainunsealed

Word Game Tips

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Wordle

Contains -AIN ending pattern; watch for CERT- beginning

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Scrabble

Worth 9 points; common word with balanced letter distribution

Words Related to Certain

Words you can make from Certain

Shorter words formed from the letters in “certain”.

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8-letter words you can spell by adding one letter to “certain”.

Longer words starting with Certain

Words that begin with “certain”.

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