believe

To believe something is to think that it’s true or possible. 

  • Tom believes his son is telling the truth. 
  • Shelia believes her friend, Renee, is honest. 
  • Some people believe in ghosts. 
  • I believed that Santa Claus was real when I was a child. 
  • What do you believe?  

I believe you. / I believe in you. 

What’s the difference? 

a. believe = to think that something is true or possible

People believe each other, or they don’t. 

  • I believe Vanessa when she says she didn’t steal the money. 
  • It’s hard to believe Edgar. He lies all the time. 
  • Do you believe the President when he says he didn’t commit that crime? 
  • Nobody believes what he’s saying. 
  • I don’t believe him. 
  • We believe that Wendy is telling the truth. 
  • We believe her.  

Some people believe in things that are important to them. In these sentence, “believe” is used for religion, philosophy, or cultural. 

  • I believe climate change is a serious threat to our planet. 
  • What do you believe? What do you believe in? 
  • Fred believes in a high power. He believes in God. (Notice the preposition “in” after “believe.” This changes the meaning of the verb.) 
  • Some people believes in odd conspiracy theories. 
  • It’s not a good idea to believe in something without learning more about it. 
  • I believe in my students and their abilities to learn English.  (It’s possible to believe in a person when it comes to potential.) 
From below of diverse young people in casual clothes sitting on grass and talking
  • Sam believes he has some very good friends. 
A teacher reprimands a student caught cheating in a classroom with study materials on the desk.
  • The teacher doesn’t believe this student is doing his own work. 
Teacher Paul 2025
  • I believe in your ability to improve your English skills. 
  • I believe in you. 
  • I have faith in you. 
  • I have confidence in you. 
  • You can do it! 

b. belief (noun) = faith

The word “belief” is a noun. A belief is a thought that a person thinks is true. This noun can be used for philosophy, religion, concepts, or 

  •  People have strong beliefs. 
  • Many people around the world have strong religious beliefs, or they have a belief in something that is much larger than themselves. 
  • They have a belief in God or some other deity. (deity =a god) 
  • Do you have any strong beliefs? 
  • I have a belief in the goodness of human beings, but I recognize that some people are not good. 
  • The President said something that left the people around him in disbelief. (The people couldn’t believe he said something because it was so crazy. disbelief = the inability to believe) 
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woman in black jacket standing on green grass field during daytime
  • Americans have strong beliefs in freedom and equality. 
  • People have strong beliefs. 
  • Do you have a strong belief in anything? 
  • She has a strong belief in God. 

c. believable (adjective) = possible

The word “believable” is an adjective that you can use with people or things: 

  • His story is not believable. 
  • She’s a very believable witness. 
  • I didn’t think the movie was very believable. 
  • This is unbelievable. (This can have many different meanings. It might refer to a positive or a negative situation.) 
Man Posing in Costume with Vest
  • He told a story that was not very believable. 
  • He’s not a very believable person. 

d. expressions that use "believe"

People use “believe” of some form of this word when they express anger happiness, sadness, or frustration. 

  • I can’t believe it!  We won the lottery! (happy) 
  • I can’t believe you are doing this! (angry) 
  • It’s going to take an hour to get through this line. I don’t believe it! (frustrated) 
  • That is unbelievable. (This could be said for a good or bad situation.) 
  • It’s hard to believe how lucky they are. (surprise) 
A man surprises his partner with flowers behind his back, symbolizing love and romance.
  • “I can’t believe how lucky I am.”  (She’s very happy.) 
Woman in Gray Tank Top
  • “I can’t believe this is happening!” (She’s very angry.)