unbalanced

adjective

un·​bal·​anced ˌən-ˈba-lən(t)st 

: not balanced: such as

a

: not in equilibrium

b

: mentally disordered

—not used technically

c

: not adjusted so as to make credits equal to debits

an unbalanced account

Synonyms of unbalanced

• unstable

Examples of unbalanced in a Sentence

He's been eating an unbalanced diet.

horrific crimes that obviously were committed by a very unbalanced person

Recent Examples on the Web

Choosing the wrong rug size or layout can make a room feel awkward and unbalanced. — Kristin Hohenadel, The Spruce, 10 June 2026

This isn't just about attempting to change the color of the blooms; unbalanced soil (too acidic or too alkaline) can cause the flowers to turn brown. — Mary Marlowe Leverette, Southern Living, 13 June 2026

Just as poor sleep can negatively affect gut health, an unbalanced gut may contribute to sleep troubles. — Rena Goldman, Health, 7 June 2026

Last year’s team certainly felt unbalanced in that regard, with too many shooters and not enough large bodies inside to provide a balance on offense. — Shaun Goodwin june 9, Idaho Statesman, 9 June 2026

Word History

First Known Use

1635, in the meaning defined above

Rhymes for unbalanced

• counterbalanced
• overbalanced
• balanced
• imbalanced

Kids Definition

unbalanced

adjective

un·​bal·​anced ˌən-ˈbal-ən(t)st 

1

: not in a state of balance

2

: not completely sane

3

: not adjusted so as to make credits equal to debits

an unbalanced account

Medical Definition

unbalanced

adjective

un·​bal·​anced ˌən-ˈbal-ən(t)st 

: mentally disordered : affected with mental illness

—not used technically