intensity

noun

in·​ten·​si·​ty in-ˈten(t)-sə-tē 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 (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.
While topography will continue to influence fire spread, spotting potential and overall fire intensity are anticipated to be minimal. Ca Wildfire Bot, Sacbee.com, 14 Sep. 2025 Any return to high-intensity war might jeopardize the regime’s control. Ian Bremmer, Time, 14 Sep. 2025 The intensity of the fracs has increased substantially—more and more sand and water per well—as have the downhole visualizations and the ability to optimize the frac job along each foot of these 20,000-foot wells. Jordan Blum, Fortune, 14 Sep. 2025 Health agencies recommend that adults get at least 150 minutes per week of moderate-intensity aerobic exercise and at least two days of strength training exercises, which includes lifting weights or performing muscle-building activities. Melissa Rudy, FOXNews.com, 13 Sep. 2025 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 17 Sep. 2025.

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

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