intensity

noun

in·​ten·​si·​ty in-ˈten(t)-sə-tē 

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

: saturation sense 4a

Synonyms of intensity

• enthusiasm
• emotion
• intenseness
• warmth
• passionateness
• passion
• violence

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

The Dropkick Murphys build intensity through repetition, allowing the track to accelerate without losing its rawness. — Brittney Williams, Billboard, 23 Sep. 2026

That's awesome but then again college sports are in my opinion better then the professional level mainly because of the intensity of the crowd . — Amber Harding Outkick, FOXNews.com, 22 Sep. 2026

Diana paused for a second, surprised at the intensity of the spite. — Katie Nicholl, Vanity Fair, 22 Sep. 2026

Nordrum didn’t quite rip out my heart the way Rickman did 31 years ago, but his watchful intensity gives him one of the most moving character arcs. — David Rooney, HollywoodReporter, 21 Sep. 2026

Word History

First Known Use

1665, in the meaning defined at sense 1

Phrases Containing intensity

• high-intensity interval training
• hyper-intensity

Rhymes for intensity

• immensity
• propensity
• density

Kids Definition

intensity

noun

in·​ten·​si·​ty in-ˈten(t)-sət-ē 

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 

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

: saturation sense 4a