Use the word "sure" when talking about truth, certainty, or knowledge:

  • Are you sure? (Do you know that is true?)
  • I’m not sure if this will work. (I don’t know.)
  • We’re sure about this. (We are confident in our knowledge.)
  • He’s not sure if he can go with us. (He might have other plans.)
  • You can be sure about this. Trust me. (I’m telling you the truth.)
  • I’m sure I can answer your question. (I have a lot of knowledge about this subject.)

You can also use the word "sure" as a type of intensifier similar to a word like "really."

  • That sure is fun. (That’s really fun.)
  • He sure is smart. (He’s really smart.)
  • We sure do appreciate your help! (We really appreciate it!)
  • Oh, for sure! (Definitely!)

The word "surely" is used as an adverb

  • Surely, you must be joking. (But you probably aren’t.)
  • She surely knows a lot about Mayan culture. (Her knowledge is impressive.)
  • Those curtains surely do make a difference in this room. (The curtains look very nice.)

sure woman

She’s very sure of herself.

(She’s confident in her abilities.)

Click here to go to the Word of the Day page.

April 27, 2015