upheaval

noun

up·​heav·​al ˌəp-ˈhē-vəl 

(ˌ)ə-ˈpē-

1

: the action or an instance of upheaving especially of part of the earth's crust

2

: extreme agitation or disorder : radical change

a period of social upheaval

also : an instance of this

one of human history's greatest upheavals

Synonyms of upheaval

• unrest
• revolution
• earthquake
• turmoil
• revolt
• insurrection
• uprising
• storm
• tumult
• convulsion

Examples of upheaval in a Sentence

The civil rights movement marked a period of social upheaval in the U.S.

the emotional upheaval of divorce

a period of cultural and social upheavals

The island was created by an upheaval of the ocean floor.

The lake was formed by geologic upheaval.

Recent Examples on the Web

Artificial intelligence has unleashed the most upheaval within the industry since Jobs unveiled the first iPhone in 2007. —Michael Liedtke, Chicago Tribune, 20 Apr. 2026

Jiang’s own network is in the midst of upheaval, following Skydance’s purchase of Paramount last year. —Ted Johnson, Deadline, 20 Apr. 2026

Catholic Charities isn’t the only social service provider trying to maintain services for the most vulnerable in the face of county, state and federal funding upheaval. —Frederick Melo, Twin Cities, 19 Apr. 2026

The hostilities are not new for al-Jubouri, a veteran who has worked at sea since 1984 and lived through decades of upheaval, including the Iran-Iraq War and the 1991 Gulf War. —ABC News, 19 Apr. 2026

Word History

First Known Use

1838, in the meaning defined at sense 1

Rhymes for upheaval

• coeval
• medieval
• primeval
• retrieval
• evil
• weevil

Kids Definition

upheaval

noun

up·​heav·​al ˌəp-ˈhē-vəl 

(ˌ)ə-ˈpē-

1

: the action or an instance of heaving or lifting up from beneath especially of part of the earth's crust

2

: an instance of violent disorder or change

emotional upheaval