B2 adjective Formal

arbiter

/ˈɑːrbɪtər/

An arbiter is a person or authority who has the power to settle a dispute or decide what is right, acceptable, or fashionable. It can refer to a formal legal role or a metaphorical judge of cultural and social standards.

Examples

3 of 5
1

In our house, my mother is the final arbiter of which movies we watch on Friday night.

In our house, my mother is the final decider of which movies we watch on Friday night.

2

The United Nations acted as an arbiter between the two warring nations to reach a peace treaty.

The United Nations acted as a mediator between the two warring nations to reach a peace treaty.

3

Don't ask him for fashion advice; he thinks he's the arbiter of cool but his style is ten years old.

Don't ask him for fashion advice; he thinks he's the judge of cool but his style is ten years old.

Word Family

Noun
arbiter
Verb
arbitrate
Adverb
arbitrarily
Adjective
arbitrary
Related
arbitration
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Memory Tip

Think of the word 'Arbitrate' (to settle). An 'Arbiter' is the 'er' (the person) who does the settling.

Quick Quiz

The Supreme Court is considered the final ___ of the Constitution in the United States.

Correct!

The correct answer is: arbiter

Examples

1

In our house, my mother is the final arbiter of which movies we watch on Friday night.

everyday

In our house, my mother is the final decider of which movies we watch on Friday night.

2

The United Nations acted as an arbiter between the two warring nations to reach a peace treaty.

formal

The United Nations acted as a mediator between the two warring nations to reach a peace treaty.

3

Don't ask him for fashion advice; he thinks he's the arbiter of cool but his style is ten years old.

informal

Don't ask him for fashion advice; he thinks he's the judge of cool but his style is ten years old.

4

The study explores how the church functioned as the sole arbiter of moral behavior during the Middle Ages.

academic

The study explores how the church functioned as the only decider of moral behavior during the Middle Ages.

5

The CEO remains the ultimate arbiter of all hiring decisions within the executive department.

business

The CEO remains the ultimate decider of all hiring decisions within the executive department.

Word Family

Noun
arbiter
Verb
arbitrate
Adverb
arbitrarily
Adjective
arbitrary
Related
arbitration

Common Collocations

final arbiter the person who makes the last decision
arbiter of taste someone who determines what is fashionable
sole arbiter the only person with the power to decide
independent arbiter a neutral party who settles a disagreement
moral arbiter someone who determines right from wrong

Common Phrases

arbiter of elegance

a person who defines high style

ultimate arbiter

the highest authority for a decision

final arbiter of truth

the person or thing that determines what is factual

Often Confused With

arbiter vs arbitrator

An arbitrator is specifically a professional appointed to settle a legal dispute, while an arbiter can be used for cultural or social authorities.

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Usage Notes

Use 'arbiter' when describing someone with significant cultural influence or final decision-making power. It carries a more formal and elevated tone than 'judge' or 'decider'.

⚠️

Common Mistakes

Learners often use 'arbiter' when they mean 'arbitrary'. Remember that 'arbiter' is the person (noun), whereas 'arbitrary' describes a decision made without logic (adjective).

💡

Memory Tip

Think of the word 'Arbitrate' (to settle). An 'Arbiter' is the 'er' (the person) who does the settling.

📖

Word Origin

From the Latin 'arbiter', meaning a witness, judge, or one who goes somewhere to see or hear a matter.

Grammar Patterns

Countable noun Often followed by the preposition 'of' The plural form is 'arbiters'
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Cultural Context

In high fashion and literature, certain critics or magazines like Vogue are often referred to as 'arbiters of taste'.

Quick Quiz

The Supreme Court is considered the final ___ of the Constitution in the United States.

Correct!

The correct answer is: arbiter

Related Words

immune

B2

Immune describes the state of being protected from a specific disease, typically through vaccination or prior exposure. It can also figuratively refer to being unaffected by something negative, such as criticism, or being exempt from certain duties or legal consequences.

antibody

B2

A protective protein produced by the immune system in response to the presence of a foreign substance, called an antigen. It identifies and neutralizes threats like bacteria, viruses, and toxins to prevent infection.

vaccine

B2

A substance used to stimulate the production of antibodies and provide immunity against one or several diseases. It is typically prepared from the causative agent of a disease or a synthetic substitute and is administered to prevent future infection.

vaccination

B2

The administration of a vaccine to help the immune system develop protection from a disease. It refers to the physical act or the organized process of immunizing individuals or populations.

immunization

B2

The process by which an individual's immune system becomes protected against a specific disease, typically through the administration of a vaccine. It refers to both the act of giving a vaccine and the resulting state of being immune to an infection.

injection

B2

An injection is the act of putting a liquid, especially a drug, into a person's body using a needle and a syringe. Metaphorically, it refers to the act of introducing something new, such as money or energy, into a system or organization to improve it.

medication

B2

To treat a person or animal with medicine, or to provide a drug to alleviate symptoms and manage health conditions. It describes the professional act of administering healthcare substances or the personal act of self-treating a condition.

prescription

B2

Relating to a medicine or treatment that can only be obtained through a written order from a qualified doctor. It describes items that are legally regulated and require professional authorization rather than being available for direct purchase.

antibiotic

B2

Relating to a substance that is capable of destroying or inhibiting the growth of microorganisms, especially bacteria. It describes medications or properties used to treat infections caused by bacteria rather than viruses.

anesthetic

B2

A substance or drug that induces a reversible loss of sensation or consciousness. It is used in medical procedures to prevent a patient from feeling pain during surgery or other painful treatments.

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