Collateral vs Security

When to use each in English, with meaning, register, and examples.

 CollateralSecurity
MeaningSomething given to secure a loan or guarantee something.Protection from danger or harm.
Registerformal-
CEFR level-B1
Part of speechnoun
Usage notesTypically used in financial contexts. Avoid in casual conversations. Can also refer to secondary effects or consequences.Commonly used in contexts related to safety, such as cybersecurity, personal safety, or physical safety. It is appropriate in both formal and informal situations.

Frequently asked questions: Collateral vs Security

What's the difference between "Collateral" and "Security"?

"Collateral" means: Something given to secure a loan or guarantee something. "Security" means: Protection from danger or harm.

When should I use "Collateral" and "Security"?

"Collateral" is formal.

Related comparisons