intercept

American  

[in-ter-sept, in-ter-sept] / ˌɪn tərˈsɛpt, ˈɪn tərˌsɛpt /

verb (used with object)

1. to take, seize, or halt (someone or something on the way from one place to another); cut off from an intended destination.

   to intercept a messenger.

2. to see or overhear (a message, transmission, etc., meant for another).

   We intercepted the enemy's battle plan.

3. to stop or check (passage, travel, etc.).

   to intercept the traitor's escape.

4. Sports. to take possession of (a ball or puck) during an attempted pass by an opposing team.

5. to stop or interrupt the course, progress, or transmission of.

6. to destroy or disperse (enemy aircraft or a missile or missiles) in the air on the way to a target.

7. to stop the natural course of (light, water, etc.).

8. Mathematics. to mark off or include, as between two points or lines.

9. to intersect.

10. Obsolete. to prevent or cut off the operation or effect of.

11. Obsolete. to cut off from access, sight, etc.

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noun

1. an interception.

2. Mathematics.

   1. an intercepted segment of a line.

   2. (in a coordinate system) the distance from the origin to the point at which a curve or line intersects an axis.

intercept British  

verb

1. to stop, deflect, or seize on the way from one place to another; prevent from arriving or proceeding

2. sport to seize or cut off (a pass) on its way from one opponent to another

3. maths to cut off, mark off, or bound (some part of a line, curve, plane, or surface)

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noun

1. maths

   1. a point at which two figures intersect

   2. the distance from the origin to the point at which a line, curve, or surface cuts a coordinate axis

   3. an intercepted segment

2. sport the act of intercepting an opponent's pass

intercept Scientific  

/ ĭn′tər-sĕpt′ /

1. In a Cartesian coordinate system, the coordinate of a point at which a line, curve, or surface intersects a coordinate axis. If a curve intersects the x-axis at (4,0), then 4 is the curve's x-intercept; if the curve intersects the y-axis at (0,2), then 2 is its y-intercept.

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Other Word Forms

• interception noun
• interceptive adjective
• nonintercepting adjective
• noninterceptive adjective
• unintercepted adjective
• unintercepting adjective

Etymology

Origin of intercept

First recorded in 1535–45; from Latin interceptus, past participle of intercipere “to intercept,” equivalent to inter- “between, among, together” + -cep- (combining form of cap-, stem of capere “to take”) + -tus past participle suffix; see inter-; cf. incipient

Explanation

When you intercept a pass in football, you grab the ball that your opponent had thrown to a member of his own team. To intercept is to stop something from reaching its intended destination. If a national intelligence agency intercepts a telephone call being sent from one terrorist cell to another, they stop the message and also learn a bit about what's going on in the terrorist world. If you're planning a surprise party for your friend and she arrives a half hour early, you might run to intercept her while everyone rushes to hide.

Example Sentences

It said that it has turned around nearly three dozen vessels as part of the blockade as of Thursday and that U.S. forces are poised to intercept ships beyond the Middle East.

From The Wall Street Journal • Apr. 24, 2026

It is unclear how they were able to intercept and take control of the oil tanker.

From BBC • Apr. 24, 2026

The US Navy has also said it will intercept ships it suspects of carrying "contraband" including oil, petroleum products, weapons, munitions and nuclear material linked to Iran.

From BBC • Apr. 17, 2026

Neutralization closes the loop: electronic jamming, kinetic interceptors, directed-energy lasers and, increasingly, autonomous counterdrones that intercept targets without human intervention.

From MarketWatch • Apr. 13, 2026

To intercept Hermes, it'll have to reach escape velocity, but it was only designed to get to orbit.

From "The Martian" by Andy Weir

Related Words

• ambush
• arrest
• block
• catch
• cut off
• deflect
• hijack
• prevent
• seize
• stop
• take away