random and without any real reason

arbitrary

adjective|/ˈɑr.bɪ.trɛr.i/

Based on random choice rather than reason or system

Examples

In a meeting

The deadline feels arbitrary since there's no clear reason for that specific date.

Over coffee

The dress code seems totally arbitrary to me.

Why this word

random

Arbitrary implies decision without reason or system, while random suggests chance without implying choice

unreasonable

Arbitrary emphasizes lack of rational basis, while unreasonable suggests poor judgment

subjective

Arbitrary suggests capriciousness or lack of principle, while subjective means based on personal perspective

Usage tip

Use when decisions or rules appear to lack logical basis or consistency

Etymology

Latin: arbiter (judge, decision-maker)

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