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

Prodded by OpenAI’s release of ChatGPT in late 2022, Google has been steadily rolling out more of its own technology designed to ensure its products continue to evolve with the upheaval being unleashed by AI. —Michael Liedtke, Fortune, 6 Nov. 2025

Join millionaire Jay Gatsby in his pursuit of former love, Daisy Buchanan, over the backdrop of lavish parties and social upheaval. —Caroline Ritzie, Cincinnati Enquirer, 5 Nov. 2025

Isaacman, if confirmed this time, would take the helm of NASA at a moment of great upheaval at the space agency. —Denise Chow, NBC news, 5 Nov. 2025

The debate over Vietnam divided the rising baby boomer generation from their parents and fueled a cultural upheaval. —Susan Page, USA Today, 3 Nov. 2025

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