Definitions

1. noun

something that is given or provided in addition to the main thing, in order to make a deal or agreement more attractive or secure

“The collateral on the loan was a piece of property worth more than the amount borrowed.”

2. noun

a relationship or connection between people or things

“The collateral damage from the war included thousands of civilian casualties.”

3. adjective

relating to or affecting something or someone in addition to the main thing

“The collateral effects of the new policy included higher taxes and increased unemployment.”

4. verb

to provide or obtain something in addition to the main thing, in order to make a deal or agreement more attractive or secure

“The company collateralized its assets to secure a loan from the bank.”