heightened; heightening ˈhī-tᵊn-iŋ How to pronounce heighten (audio)
ˈhīt-niŋ
Synonyms of heightennext

transitive verb

1
a
: to increase the amount or degree of : augment
heighten interest in the book
heighten tensions in the region
b
: to make brighter or more intense : deepen
… slowly rubbing the gold piece … as if to heighten its lustre …—Herman Melville
c
: to bring out more strongly : point up
… uses the camera to punctuate and heighten the story.—Stacey Bell
d
: to make more acute : sharpen
heighten the contrast on a monitor
2
a
: to raise high or higher : elevate
b
: to raise above the ordinary or trite
heightened prose
3
obsolete : elate

intransitive verb

1
archaic : grow, rise
2
a
: to become great or greater in amount, degree, or extent
b
: to become brighter or more intense

Examples of heighten in a Sentence

The plan will only heighten tensions between the two groups. This tragedy has heightened our awareness of the need for improved safety measures. Tensions between the two groups have heightened.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The continued hostilities have heightened concerns about the vulnerability of Saudi Arabia's energy infrastructure, with traders increasingly focused on the risk of a major disruption to production, refining or export facilities. — Lee Ying Shan, CNBC, 26 Oct. 2026 Security was also heightened in Rome, where authorities locked down luxury shopping streets and stepped up controls around the Circus Maximus and Piazza del Popolo. — ABC News, 24 Oct. 2026 Security has been heightened with soldiers, police, and drones. — The Christian Science Monitor, Christian Science Monitor, 24 Oct. 2026 Recently, anger at this collateral damage, heightened by the fish shortage, has evolved into a political movement. — Zach Helfand, New Yorker, 23 Oct. 2026 See All Example Sentences for heighten

Word History

First Known Use

1523, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of heighten was in 1523

Browse Nearby Words

Cite this Entry

“Heighten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heighten. Accessed 27 Oct. 2026.

Kids Definition

heightened; heightening ˈhīt-niŋ How to pronounce heighten (audio)
-ᵊn-iŋ
1
: to make or become brighter or greater
heightened the citizens' awareness
2
: to raise high or higher : elevate
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