imbalance

noun

im·​bal·​ance (ˌ)im-ˈba-lən(t)s 

plural imbalances

: lack of balance : the state of being out of equilibrium or out of proportion

a structural imbalance

a chemical imbalance in the brain

"… The talks are aimed at reducing the trade imbalance … between the world`s two largest economic powers. …"

—Norah O'Donnell

A key element of the definition of bullying is a power imbalance that enables the abusive behavior.

—Patricia Vowinkel

Some have suffered an imbalance of gait known as ataxia.

—Lawrence K. Altman

imbalanced

(ˌ)im-ˈba-lən(t)st 

adjective

Examples of imbalance in a Sentence

Her depression is caused by a chemical imbalance in the brain.

the problem of racial imbalance in schools

Recent Examples on the Web

The French president kicked off a 3-day visit to China on Wednesday — his first trip to Beijing in more than two years — on the heels of growing frictions over a range of topics including trade imbalance and the long-running war in Ukraine. —Lim Hui Jie, CNBC, 5 Dec. 2025

Executive produced by 50 Cent (Diddy’s longtime rival, stemming from a decades-long feud), the series connects one version of the Diddy narrative back to broader questions about media and the power imbalances that exist throughout the entertainment industry. —Alison Foreman, IndieWire, 5 Dec. 2025

This imbalance creates difficult math for SaaS leaders. —Adam Mills, MSNBC Newsweek, 5 Dec. 2025

The fat can accumulate in the liver, triggering inflammation and oxidative stress (an imbalance between antioxidants and free radicals). —Lauren Panoff, Verywell Health, 3 Dec. 2025

Word History

First Known Use

circa 1890, in the meaning defined above

Rhymes for imbalance

• rebalance
• unbalance
• balance
• valance
• vallance
• counterbalance
• overbalance

Kids Definition

imbalance

noun

im·​bal·​ance (ˈ)im-ˈbal-ən(t)s 

: the state of being out of balance or out of proportion

Medical Definition

imbalance

noun

im·​bal·​ance (ˈ)im-ˈbal-ən(t)s 

: lack of balance : the state of being out of equilibrium or out of proportion: as

a

: loss of parallel relation between the optical axes of the eyes caused by faulty action of the extrinsic muscles and often resulting in diplopia

b

: absence of biological equilibrium

a vitamin imbalance

if the ductus arteriosus fails to close, a circulatory imbalance results

—E. B. Steen & Ashley Montagu

c

: a disproportion between the number of males and females in a population

imbalanced

-ən(t)st 

adjective