What context can I use each word in?
Learn when and how to use these words with these examples!
certain
Example
I am certain that I locked the door before leaving. [certain: adjective]
Example
She spoke with a certain confidence that impressed everyone. [certain: adverb]
confident
Example
He is confident that he will succeed in the interview. [confident: adjective]
Example
She walked confidently into the room, ready to give her presentation. [confidently: adverb]
Good things to know
Which word is more common?
Certain is more commonly used than confident in everyday language. Certain is versatile and can be used in various contexts, while confident is more limited to personal beliefs or attitudes.
What’s the difference in the tone of formality between certain and confident?
Both certain and confident can be used in formal and informal contexts. However, certain is generally considered more formal due to its objective nature, while confident can be used in both formal and informal situations.
