certain

/ˈsɝːtən/

adjectivepronouncer · tain

Be CERtain: the word starts with CER, like “CERTIFICATE” that proves you’re sure.

Yes, it's certain. Don’t write *-tain* like “train”—in certain, the second syllable is **-tain** but it sounds like **-tən** (a soft “tuhn”).

Definitions

  1. adjectivesure; having no doubt.
  2. adjectivedefinite but not named or described in detail.
  3. pronounsome (people or things), but not all.

Examples

  • I’m certain that I locked the door.
  • A certain student left a note on my desk.
  • Certain foods can trigger allergies in some people.

Synonyms

sureconfidentdefinitepositivespecific

Antonyms

uncertaindoubtful

Translations

ES ciertoPT certoFR certain

Common misspellings

certinsertaincurtaincertiansertincertencerteancertayn

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