unbiased

adjective

un·​bi·​ased ˌən-ˈbī-əst 

1

: free from bias

especially : free from all prejudice and favoritism : eminently fair

an unbiased opinion

2

: having an expected value equal to a population parameter being estimated

an unbiased estimate of the population mean

unbiasedness

ˌən-ˈbī-əs(t)-nəs 

noun

Synonyms

• candid
• disinterested
• dispassionate
• equal
• equitable
• evenhanded
• fair
• impartial
• indifferent
• just
• nonpartisan
• objective
• square
• unprejudiced

Choose the Right Synonym for unbiased

fair, just, equitable, impartial, unbiased, dispassionate, objective mean free from favor toward either or any side.

fair implies a proper balance of conflicting interests.

a fair decision

just implies an exact following of a standard of what is right and proper.

a just settlement of territorial claims

equitable implies a less rigorous standard than just and usually suggests equal treatment of all concerned.

the equitable distribution of the property

impartial stresses an absence of favor or prejudice.

an impartial third party

unbiased implies even more strongly an absence of all prejudice.

your unbiased opinion

dispassionate suggests freedom from the influence of strong feeling and often implies cool or even cold judgment.

a dispassionate summation of the facts

objective stresses a tendency to view events or persons as apart from oneself and one's own interest or feelings.

I can't be objective about my own child

Examples of unbiased in a Sentence

Let me offer an unbiased opinion.

offered an unbiased judgment of the dancer's performance

Recent Examples on the Web

Regular audits, incorporating diverse training datasets and applying fairness metrics, can ensure models remain unbiased and ethical. —Naveen Edapurath Vijayan, Forbes.com, 11 Apr. 2025

The science must be reliable, unbiased, objective and value-neutral, meaning it is not influenced by personal views. —H. Christopher Frey, The Conversation, 7 Apr. 2025

This includes ensuring that AI systems are fair, unbiased and transparent. —Miguel Llorca, Forbes, 24 Mar. 2025

Organizations must remain vigilant in ensuring that AI agents are trained on high-quality, unbiased data and are regularly audited for fairness and accuracy. —Tony Bradley, Forbes.com, 4 Apr. 2025

Word History

First Known Use

1607, in the meaning defined at sense 1

Rhymes for unbiased

• biased
• driest
• highest

Kids Definition

unbiased

adjective

un·​bi·​ased ˌən-ˈbī-əst 

ˈən-

: free from bias

especially : impartial, unprejudiced

an unbiased opinion