Signs of Lying in Body Language

Updated August 14, 2019

Spot a Liar

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Once you learn how to tell if someone is lying, communication takes on an entirely new layer of understanding. People generally have both verbal and non-verbal communication revealing their lies because lying isn't natural to them - their body reacts to being in an unnatural state.

Tone of Voice

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A person who is lying may speak at a higher pitch than normal or might stumble over their words. If what they're saying sounds rehearsed, it probably is.

Stiff Body

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A liar's body may stiffen up as he makes a false statement. Suddenly crossing the arms may indicate the person is feeling like he needs to shield himself.

Touching Mouth

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An individual who covers his or her mouth while speaking may be lying. It may be a subtle cover, perhaps merely touching the lips. This gesture indicates the body is trying to stop the words from coming out because they aren't true.

Scratching Nose

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Touching the nose during or after a statement may indicate the statement is a lie. This is sometimes called the "Pinocchio Effect." The brain sends an impulse to the tip of the nose when a lie is spoken, and the touch is an unconscious reaction to that impulse.

It may look like a brief touch, a scratch, or even a rub of the nose.

Tightness Around the Lips

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Look for tightness in the mouth area as a sign of lying. This is another instance in which the body tries to stop the words from coming out. If the person appears to be having trouble getting the words out because the mouth just seems like it won't cooperate, this may be a sign of lying.

Uneven Body

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If a person has one hand in a fist while the other hand is open, or if the feet seem to be pointing in different directions, it may be that the person speaking doesn't truly believe what they are saying.

In this instance, it's likely the person isn't setting out to be deceptive, but instead is saying things they wished they believed, but simply don't. An example might be a partner who asserts their love verbally, yet has an uneven body telling another story.

The Eyes Have It

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Looking up and to the left while talking indicates recalling a memory, while looking up and to the right while talking indicates fabricating a lie.

For example, when asking a boyfriend for details on his night, his eyes may look up and to the left as he recalls the places he went and the people he saw, but then when the eyes drift up and to the right, he's giving a false account of what happened next.

Pupil Widening

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The eyes' pupils stay fairly consistent in conversation (unless the light source changes) but will dilate under two other circumstances:

  1. When lying
  2. When viewing a person to which the individual is attracted

Keep in mind that widening pupils may not always indicate deceit, but may instead indicate attraction.

Too Much or Too Little

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One of two things will likely happen when you're being lied to. Either the person will talk more than normal, giving too many details, or will seem to clam up and not give many details at all. You can tell the person is lying if they speak in a way contrary to how they typically speak.

So the person who is usually verbose not saying many words, or the person who usually doesn't talk much suddenly giving you too many words, is probably lying.

Gender Differences

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There aren't any surefire signs of deceit that are specific to men or women. When people lie, they display signs of deceit regardless of their gender.

Don't Get Fooled

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Once you can easily recognize the signs of someone lying to you, it becomes far easier to know who is actually for you and who is against you.

Don't be surprised if you're shocked by the sheer number of lies that come your way on a daily basis. Try to figure out why people feel the need to be deceitful, and if perhaps the people in your life are there for the wrong reasons.

Signs of Lying in Body Language