intensify

verb

in·​ten·​si·​fy in-ˈten(t)-sə-ˌfī How to pronounce intensify (audio)
intensified; intensifying
Synonyms of intensifynext

intransitive verb

: to become intense or more intensive : grow stronger or more acute

transitive verb

1
: to make intense or more intensive : strengthen
2
a
: to make more acute : sharpen
b
: to increase the density and contrast of (a photographic image) by chemical treatment
intensification noun

Examples of intensify in a Sentence

We could hear the wind howling outside as the storm intensified. They intensified their efforts to increase sales. an intensified search for survivors
Recent Examples on the Web
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And in a fast-growing region like Charlotte, advocates say those pressures are only likely to intensify if the gap between supply and demand continues to widen. Théoden Janes, Charlotte Observer, 11 June 2026 Jury convicted Anthony earlier Tuesday The jury convicted Anthony of murder in the stabbing death of 17‑year‑old Austin Metcalf at a Frisco ISD track meet – a case that drew national attention and intensified conversations about self‑defense, race, and safety at school events. Doug Myers, CBS News, 10 June 2026 And those farmers are horribly disillusioned by this intensifying deflation and depression that spreads after 1873. David Frum, The Atlantic, 10 June 2026 While Hezbollah continued attacking northern Israel, the Israeli military intensified its occupation of Lebanese territory. Nabih Bulos, Los Angeles Times, 10 June 2026 See All Example Sentences for intensify

Word History

First Known Use

1817, in the meaning defined at transitive sense 1

Time Traveler
The first known use of intensify was in 1817

Browse Nearby Words

Cite this Entry

“Intensify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intensify. Accessed 13 Jun. 2026.

Kids Definition

intensify

verb
in·​ten·​si·​fy in-ˈten(t)-sə-ˌfī How to pronounce intensify (audio)
intensified; intensifying
: to make or become intense or more intensive
intensification noun
intensifier
-ˈten(t)-sə-ˌfī(-ə)r
noun

Medical Definition

intensify

verb
in·​ten·​si·​fy in-ˈten(t)-sə-ˌfī How to pronounce intensify (audio)
intensified; intensifying

transitive verb

1
: to make intense or more intensive
2
a
: to increase the density and contrast of (a photographic image) by special treatment
b
: to make more acute
use of illicit drugs intensified the patient's condition

intransitive verb

: to become intense or more intensive : grow stronger or more acute
the sore throat, headache, and fever intensified as the disease progressed
intensification noun

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