English Reference
adjective

kinetic

adj.
US /kəˈnɛtɪk/ UK /kɪnˈɛtɪk/ ki·net·ic

  1. 01 B2 Upper Intermediate Technical Science

    relating to or caused by movement.

    relating to, caused by, or characterized by physical motion.

    Simple

    The wind turbine converts the kinetic energy of the wind into electricity.

    In context

    In classical mechanics, kinetic energy is the energy an object possesses by virtue of being in motion, calculated as half the mass times velocity squared.

    Usage

    Commonly used in the phrase 'kinetic energy'.

  2. 02 C1 Advanced FormalTechnical Law

    a polite way to describe active fighting or the use of weapons.

    a euphemism referring to active warfare, lethal force, or physical combat operations.

    Simple

    The government decided to use kinetic force to stop the illegal group.

    In context

    Military analysts debated whether a kinetic intervention would stabilize the region or merely escalate the existing civil conflict.

    Teacher's tip

    This is a common euphemism in modern political and military discourse to avoid using words like 'killing' or 'bombing'.

    diplomaticnon violent
  3. 03 C1 Advanced Literary

    full of energy and movement.

    characterized by high energy, rapid movement, or dynamic activity.

    Simple

    The city has a kinetic atmosphere that makes you feel excited.

    In context

    The director's kinetic style of filmmaking uses fast cuts and handheld cameras to keep the audience on edge.

  4. 04 C2 Proficiency SlangInformal

    very busy, fast, or slightly crazy.

    characterized by frantic or intense activity; often used to describe a chaotic environment.

    Simple

    The office gets really kinetic right before the holiday break.

    In context

    The trading floor was absolutely kinetic as the market crashed, with brokers shouting orders and scrambling to minimize losses.

After 20 years away, Capcom’s hyper kinetic action adventure returns, pitting skilled samurai Miyamoto Musashi against hordes of warriors and demons in Edo-period Kyoto.

The Guardian· 31 Aug 2026

Kinetic energy is based on how fast stuff is moving.

The Conversation· 24 Aug 2026

From Ancient Greek κινητικός (kinētikós, “puts in motion”), from κινέω (kinéō, “I move, put in motion”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Ancient Greek κινητικός
Level C1 · Advanced
Frequency Frequent
Updated