intensity

noun

in·​ten·​si·​ty in-ˈten(t)-sə-tē How to pronounce intensity (audio)
plural intensities
Synonyms of intensitynext
1
: the quality or state of being intense
especially : extreme degree of strength, force, energy, or feeling
2
: the magnitude of a quantity (such as force or energy) per unit (as of area, charge, mass, or time)
3

Examples of intensity in a Sentence

the intensity of the sun's rays the intensity of the argument The sun shone with great intensity.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Santa Margarita coach Justin Bell was disappointed that his team failed to match the Wolverines’ intensity. Steve Fryer, Oc Register, 18 Feb. 2026 Prompted by Proust’s musical sensibility, this season will also continually rework The Cosmic Library’s own theme song, turning to music in a way that might—the hope is—advance the show to new intensities. Literary Hub, 18 Feb. 2026 Each fancy vivid stone was perfectly matched in intensity and quality, but presented in different shapes—squares, emeralds, Asschers, or hearts, for example—that were chosen for their fire and saturation. Rachel Cormack, Robb Report, 18 Feb. 2026 There’s also been studies, many of which are smaller and more preliminary, showing the benefits of floating for conditions such as insomnia, body image dissatisfaction among people with anorexia, meth dependence and pain intensity, such as the stress placed on the body after a high-impact workout. Shelby Hartman, Los Angeles Times, 18 Feb. 2026 See All Example Sentences for intensity

Word History

First Known Use

1665, in the meaning defined at sense 1

Time Traveler
The first known use of intensity was in 1665

Cite this Entry

“Intensity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intensity. Accessed 21 Feb. 2026.

Kids Definition

intensity

noun
in·​ten·​si·​ty in-ˈten(t)-sət-ē How to pronounce intensity (audio)
plural intensities
1
: the quality or state of being intense
especially : extreme strength, force, or feeling
2
: the degree or amount of a quality or condition
the intensity of an electric field

Medical Definition

intensity

noun
in·​ten·​si·​ty in-ˈten(t)-sət-ē How to pronounce intensity (audio)
plural intensities
1
: the quality or state of being intense
especially : extreme degree of strength, force, energy, or feeling
2
: the magnitude of a quantity (as force or energy) per unit (as of surface, charge, mass, or time)
3

More from Merriam-Webster on intensity

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster