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Synonyms

intensity

American  
[in-ten-si-tee] / ɪnˈtɛn sɪ ti /

noun

  • intensities
    plural
  1. the quality or condition of being intense.

  2. great energy, strength, concentration, vehemence, etc., as of activity, thought, or feeling.

    He went at the job with great intensity.

  3. a high or extreme degree, as of cold or heat.

  4. the degree or extent to which something is intense.

  5. a high degree of emotional excitement; depth of feeling.

    The poem lacked intensity and left me unmoved.

    Synonyms:
    vigor, energy, emotion, passion
  6. the strength or sharpness of a color due especially to its degree of freedom from admixture with its complementary color.

  7. Physics. magnitude, as of energy or a force per unit of area, volume, time, etc.

  8. Speech.

    1. the correlate of physical energy and the degree of loudness of a speech sound.

    2. the relative carrying power of vocal utterance.


intensity British  
/ ɪnˈtɛnsɪtɪ /

noun

  1. the state or quality of being intense

  2. extreme force, degree, or amount

  3. physics

    1. a measure of field strength or of the energy transmitted by radiation See radiant intensity luminous intensity

    2.  I.  (of sound in a specified direction) the average rate of flow of sound energy, usually in watts, for one period through unit area at right angles to the specified direction

  4. Also called: earthquake intensitygeology a measure of the size of an earthquake based on observation of the effects of the shock at the earth's surface. Specified on the Mercalli scale See Mercalli scale Richter scale

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Derived Forms

Inflected Forms

Nouns

Etymology

Origin of intensity

First recorded in 1655–65; intense + -ity

Explanation

The way he stared deep into her eyes was making her uncomfortable. For a first date, this was too much intensity. Intensity is the degree, volume, or magnitude of a thing, such as fire, emotion, weather, work, or passion. Intensity is a word sometimes associated with passion, fire, and violence. It's used when discussing the level of such things as a love affair or, perhaps, a flame. For example, the intensity of the relationship between Bergman and Bogart in Casablanca was very high. Likewise, meteorologists measure the intensity of tornados on the Fujita Scale. Some things are meant to show intensity, such as performance by a great musician. Other things, such as, say, a blanket...not so much.

Keep Reading on Vocabulary.com

Vocabulary lists containing intensity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

By tucking Azure inside Intelligent Cloud, Microsoft hides the margins, costs and capital intensity of its AI build-out.

From The Wall Street Journal Aug. 26, 2026

France sees several dozen tornadoes of varying intensity each year, according to weather agency Meteo-France.

From Barron's Aug. 25, 2026

The Toon Army were right behind the new manager and his team, reshaping after the loss of Anthony Gordon, Sandro Tonali and Bruno Guimaraes, and they responded with real intensity.

From BBC Aug. 25, 2026

The findings suggest that exercise intensity may strongly influence the proteins and metabolites released into the bloodstream and, in turn, the way tissues throughout the body respond.

From Science Daily Aug. 21, 2026

The fire in its eyes glowed with a white-hot intensity, and the look it shot May could have burned what was left of the room.

From "Half Upon a Time" by James Riley

He also found Gisèle de Lestrange, the French printmaker he married in 1952, a companion whose discipline steadied him but could not protect either of them from his intensities.

From The Wall Street Journal Jun. 5, 2026

Mythos — trained to perform deep, multistep reasoning at higher intensities than previous models — is exceptionally good at finding and exploiting vulnerabilities.

From MarketWatch Apr. 18, 2026

Lu explained that excessive light loss prevents the device from reaching the high intensities required for optimal operation.

From Science Daily Feb. 24, 2026

When China is set aside, emerging markets continue to attract capital at intensities similar to the before the Covid-19 pandemic.

From Barron's Dec. 22, 2025

If it were right, however, the model would also accurately predict the relative intensities of the various X-ray reflections.

From "Double Helix" by James D. Watson

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