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.
But then Davis meets up with his boss, Money, played by Nick Nolte with an old man’s jagged rasp as dramatic as his wry middle-aged intensity used to be. Owen Gleiberman, Variety, 11 Feb. 2026 Sports scientists recommend that athletes engaging in that kind of high-intensity, long-duration event should be eating around six to 12 grams of carbohydrate per kilogram of body weight per day. Claire Cameron, Scientific American, 11 Feb. 2026 Greatest Of All Time – at the high intensity co-ed, full contact sport Roarball. Stephen Schaefer, Boston Herald, 11 Feb. 2026 Starting a high-intensity workout on your own (without a therapist’s input) could trigger panic attacks for some, Vinall adds. Tom Gavin, EverydayHealth.com, 11 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 14 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