Meaning
Arbitrary means based on random choice, personal will, or individual preference rather than on rules, reason, or a fixed system. It often suggests that something is unfair, unreasonable, or lacking a solid basis.
Grammar and Usage
- Part of speech: Adjective
- Commonly used before nouns: arbitrary decision, arbitrary rule, arbitrary choice.
- Used to criticize decisions, rules, or actions that lack fairness or logical reasoning.
- Structure: arbitrary + noun
Example structures:
- an arbitrary decision by the manager
- rules that seem arbitrary and unfair
Common Phrases
- arbitrary decision – a choice not based on clear reasons.
- arbitrary rule – a regulation that feels unfair or baseless.
- arbitrary power – unrestricted authority without checks.
Collocations
- make an arbitrary choice
- exercise arbitrary power
- set arbitrary limits
- arbitrary arrest
- arbitrary judgment
Examples
- The teacher’s grading system seemed arbitrary and inconsistent.
- We questioned the arbitrary rules set by the new manager.
- His punishment felt arbitrary, with no explanation given.
- The company cannot exercise arbitrary power over its employees.
- Choosing the number ten was completely arbitrary—it had no special meaning.
- The government was criticized for arbitrary arrests of protesters.
- That deadline seems rather arbitrary; can we negotiate it?
- She disliked his arbitrary decision-making style.
Synonyms or Related
- Random
- Capricious
- Unreasonable
- Subjective
- Whimsical
Antonym
- Logical
- Rational
- Fair
- Reasoned
- Systematic