Cool MateArbitrary vs Random
When to use each in English, with meaning, register, and examples.
| Arbitrary | Random | |
|---|---|---|
| Meaning | Chosen randomly or without any reason. | without a definite plan or pattern |
| CEFR level | C1 | B2 |
| Part of speech | adjective | adjective |
| Usage notes | Used in academic or technical contexts, it may sound too formal in casual conversation. Avoid using when you mean something more specific, like 'random' or 'unintentional'. | Use 'random' to describe things that happen by chance. It's appropriate in both casual conversations and formal writing, but avoid overusing it to prevent sounding vague. |
Frequently asked questions: Arbitrary vs Random
What's the difference between "Arbitrary" and "Random"?
"Arbitrary" means: Chosen randomly or without any reason. "Random" means: without a definite plan or pattern
When should I use "Arbitrary" and "Random"?
They can all be used in everyday English.
Are "Arbitrary" and "Random" the same CEFR level?
"Arbitrary" is at C1, "Random" is at B2 on the CEFR scale.