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

In a tournament defined by vertical runs, through balls and dinks, Olise has been France’s main conductor, synthesising their high-pressing intensity and directness with creative rhythm. — Sukhman Singh, New York Times, 29 June 2026

Based on large observational studies and national guidelines, experts recommend getting at least 150 minutes of moderate-intensity exercise each week to help lower blood pressure. — Laura Schober, Health, 29 June 2026

Shade offers welcome relief from the sun's intensity, especially during the hottest days of summer. — Luke Miller, Better Homes & Gardens, 29 June 2026

Lagree’s Megaformer, introduced in the early 2000s, has two sliding platforms and was built for higher-intensity work that develops muscular endurance. — Hanna Wickes, Sacbee.com, 29 June 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