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

Predictive risk agents identify disruptions involving transportation, labor or inventory imbalance. —Amruth Puppala, Forbes.com, 12 June 2026

The power imbalance was just too great. —Elizabeth Shackelford, Chicago Tribune, 12 June 2026

At the time, the administration justified the duties by saying that America’s trade imbalance with global trade partners amounts to a balance-of-payments issue, which the law addresses. —Kate Nishimura, Footwear News, 11 June 2026

Skin Issues An imbalance in the gut microbiome may cause skin changes, such as redness and irritation. —Carrie Madormo, Verywell Health, 11 June 2026

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