heighten

verb

height·​en ˈhī-tᵊn 

heightened; heightening ˈhī-tᵊn-iŋ 

ˈhīt-niŋ

transitive verb

1

a

: to increase the amount or degree of : augment

b

: to make brighter or more intense : deepen

c

: to bring out more strongly : point up

d

: to make more acute : sharpen

2

a

: to raise high or higher : elevate

b

: to raise above the ordinary or trite

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

Synonyms

• intensify
• enhance
• deepen
• strengthen

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

As the threats heightened, her mother desperately searched for a way to protect her youngest daughter. —Laura Rodríguez Presa, Chicago Tribune, 20 July 2025

Awareness of racial injustice was heightened, but five years later, there has been a backlash. —Beth Wood, San Diego Union-Tribune, 20 July 2025

The sun enters Leo, heightening our desires and swagger. —Lisa Stardust, Refinery29, 18 July 2025

Competition over cost of living, taxes and the potential impact of national political figures heighten the significance of this year's election. —Nick Mordowanec, MSNBC Newsweek, 17 July 2025

Word History

First Known Use

1523, in the meaning defined at transitive sense 1a

Rhymes for heighten

• brighten
• chitin
• frighten
• lighten
• phaeton
• tighten
• titan
• triton
• whiten
• enlighten
• exciton
• periphyton

Kids Definition

heighten

verb

height·​en ˈhīt-ᵊn 

heightened; heightening ˈhīt-niŋ 

-ᵊn-iŋ

1

: to make or become brighter or greater

heightened the citizens' awareness

2

: to raise high or higher : elevate