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How to Tell When Someone is Lying

Tips on how to tell if someone is lying to you, through body actions, facial expressions, and voice dialogue.

We’ve all been lied too, sucks doesn’t it? When you find out the truth later, well im no scientist or anything but i have pretty good experience in body language and facial expressions.

Tip #1 the voice

When you are on the phone with someone or are talking face to face, always look for changes in the voice of that person, if the voice deepens, or may suddenly have a higher pitch. If that person starts laughing your question off, not so much as to change the subject, but to take light of the question. Always look for clearing of the throat, or pauses in that person’s voice that sound a little too long in a normal conversation.

Tip #2 the face

One very big important factor you should look for is the direction of the face, you know it is said that when a person looks down or look to the left they are trying to come up with something to your question. When looking to the right it means that they’re trying to remember. If they ever touch their face or swallow. If that person avoids making eye contact with you, usually it means they’re nervous, and when they are nervous they could be lying. Of course if that person smiles too much, or puts on a mischievous look, then you might have a liar on your hands.

Tip #3 body language

This could be the most important factor in the telling of lying. Whenever you see twitches or shuffling around in a chair or while standing, to give some time to think for the potential liar. If this person looks angry and starts to get physical or waving of the arms, watch out for that definitely gives them away. Cracking of knuckles is another sign of being nervous. Fumbling with nearby objects or scratching could be, but it is always safe to look for other signs before jumping the gun.

Take it from me, i was born in 2 worlds, the deaf and everybody else, and i learned a great deal of body language and telling of the feelings on my own.

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  1. stephencardiff

    On February 10, 2009 at 6:33 am


    there are other ways like figgeting playing with something that isnt a toy such as apen or their hair. Women are more prone to being caught then men. In men its much harder because we’ve mastered the lie telling we know all your above tricks since childhood. Its a good subject think you could elaborate on the points a bit better but good job all the same. thumbs up from me.

  2. Ristifer

    On February 11, 2009 at 12:02 pm


    I agree with some of this, but a lack of eye contact can mean many things. A lot of people aren’t comfortable with looking at people in the eyes for a lengthy amount of time. Yes, they could be lying, but I think body language is the best bet in identifying someone who is a potential liar.

  3. Jeff

    On February 11, 2009 at 1:23 pm


    The best way still is complete behaviour analysis: combine all above with what your model of the other peron would do, and think about the differences and the specifics of this situation (as compared to earlier). Also: what would the person do if he wasnt lying? What if he would? Does he have motivation to lie? Now what did he just do? Does it compute? And reflect back when you find out if someone lied (or didnt while you we’re expecting he id) If you do this over longer periods of time it’s magic. Taking a little sidelong glancing stab back is also great: their reaction (trying to cover or not) tells books.

  4. choobin

    On February 12, 2009 at 9:42 pm


    I really liked you points. They are very useful!

  5. narutoindiekid

    On April 29, 2009 at 1:14 pm


    wow this kind of helps, wat about how to tell if someone is lying to you on the internet itself? if someone is laughing, arent they lying to you about something they said?

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