A2 adjective
certain
/ˈsɜːtən/
- Meaning
- sure about something; or 'some particular' (a certain person)
- Example
- "I'm not certain about the date — let me check."
- Similar & related words
- sureconfidentparticularcertainlycertaintyuncertain
- How to use it
- As an adjective, "certain" describes a noun — it goes before the noun ("a certain idea") or after "be/seem/become" ("it seems certain"). Practice it by describing something real around you right now.
- Common mistake
- 'A certain problem' = one particular problem. 'Certain about/of' = sure — don't confuse: 'I'm certain about the answer'.