Is it Rude to Call Someone a Liar?

Calling someone a liar is a pretty big statement and can be taken very harshly. In fact, in the early days of American history, calling someone a liar could get you shot on the spot.

But, is it rude today? Read on and find out below!

Is it Rude to Call Someone a Liar?

Calling someone a liar is typically seen as a very rude thing to do, for various reasons. The number one reason it is rude to call someone a liar is that it is a harsh statement of judgment against their character. 

In addition, knowing whether someone is lying or not is a complicated thing to do (it is almost impossible at times). That means you may yourself be a liar by calling said person a liar if indeed they are not lying.

So, you can see, calling someone a liar is a dicey affair: if you do it, you had better be 110 percent sure they are indeed a liar… or it makes you extremely rude.

How Rude Is it?


On a scale of 1 to 10, calling someone a liar rates 7 on the rude meter. Using the term “liar” is a risky and tricky thing to do. 

Only when we are absolutely positive the person is indeed lying is it remotely ok to tell them such. And, even then, doing it by calling them a liar is a pretty tactless way to do so.

The fact is, whether we feel like someone is a liar or not isn’t always the truth of the matter. Sometimes we fail to see the truth, or simply don’t want to. 

In these cases, it only makes the situation worse to lash out at the bearer of bad news and call them a liar.

Why is it Rude?

It is rude to call someone a liar because we often have no way to prove whether or not they actually are indeed lying or not. 

When we call someone a liar, then, we are making assumptions and lodging harsh insults against their character. 

Even in the case that someone is lying, it is rarely worth your time or effort to sink down to the low level of calling them a liar and slandering their character.

If a person is indeed a liar, their actions and words will eventually speak for themselves. Therefore you have no reason to label them a liar… they do so themselves.

Common Questions

Why is calling someone a liar rude?

Calling someone a liar is rude because we are often guessing as to whether or not they are actually lying about something. In reality, it is often nearly impossible to tell if someone is lying or not. Calling someone a liar in these cases shows us as weak personalities that lash out in anger.

How rude is calling someone a liar?

To call someone a liar without proof is often considered extremely rude. Just because we feel like someone is a liar doesn’t mean they are. In fact, much of the time we think people are lying, in fact, it is simply that we are failing to accept the truth. Calling these people liars only makes the situation that much worse.

What should you do when someone calls you a liar?

When someone calls you a liar, the best thing to do is ignore it, or simply walk away. If someone wants to believe you are lying, that is what they will do. Arguing with someone and trying to prove you aren’t lying tends to make the other party even firmer in their belief that you are indeed lying.