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

For families This retreat isn’t designed for children—the programming, meal structure, and daily intensity are tailored to adults fully committed to a week of health transformation. —Condé Nast, Condé Nast Traveler, 19 Mar. 2026

Both teams are banged up, but approached this game with a playoff intensity. —Dallas Morning News, 19 Mar. 2026

Whether Ohtani’s in the box or on the mound, there’s always a high level of intensity whenever baseball’s best player is on the field. —Justice Delos Santos, Mercury News, 18 Mar. 2026

Creative Houses 3 focuses on high-intensity live experiences, while Creative House 5 is dedicated to casual and mobile play. —Arushi Jacob, Variety, 18 Mar. 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