intensity

[in-ten-si-tee]

noun

plural

intensities 

1. the quality or condition of being intense.

2. great energy, strength, concentration, vehemence, etc., as of activity, thought, or feeling.

   He went at the job with great intensity.

3. a high or extreme degree, as of cold or heat.

4. the degree or extent to which something is intense.

5. a high degree of emotional excitement; depth of feeling.

   The poem lacked intensity and left me unmoved.

   Synonyms: vigor, energy, emotion, passion

6. the strength or sharpness of a color due especially to its degree of freedom from admixture with its complementary color.

7. Physics.,  magnitude, as of energy or a force per unit of area, volume, time, etc.

8. Speech.

   1. the correlate of physical energy and the degree of loudness of a speech sound.

   2. the relative carrying power of vocal utterance.

intensity

/ ɪnˈtɛnsɪtɪ /

noun

1. the state or quality of being intense

2. extreme force, degree, or amount

3. physics

   1. a measure of field strength or of the energy transmitted by radiation See radiant intensity luminous intensity

   2. I. (of sound in a specified direction) the average rate of flow of sound energy, usually in watts, for one period through unit area at right angles to the specified direction

4. Also called: earthquake intensity. geology a measure of the size of an earthquake based on observation of the effects of the shock at the earth's surface. Specified on the Mercalli scale See Mercalli scale Richter scale

Other Word Forms

• overintensity noun
• superintensity noun

Word History and Origins

Origin of intensity¹

First recorded in 1655–65; intense + -ity

Example Sentences

Hazy winter sunlight may scatter or diffuse, lowering intensity without entirely blocking sunshine, which instruments still record as sunshine hours.

Read more on BBC

The emitted light had more intensity in red wavelengths and less intensity in blue wavelengths, which is better for sleep and eye health, according to the researchers.

Read more on Science Daily

On stage, the singer is normally a fireball of intensity, screaming punky anthems like Yuk Foo and commanding the spotlight with magnetic charisma.

Read more on BBC

The town and farm life he’d lived in Pennsylvania governed his imagination with even more intensity than the suburban Massachusetts world in which he would spend his adulthood.

Read more on The Wall Street Journal

“He’s got to ratchet up his intensity and his toughness defensively.”

Read more on Los Angeles Times

Related Words

• anxiety 
• concentration 
• depth 
• earnestness 
• emotion 
• energy 
• excitement 
• ferocity 
• fervor 
• fury 
• magnitude 
• power 
• severity 
• strength 
• tension 
• vigor