1. Additional but secondary; auxiliary
   "The collateral benefits of exercise include improved mood and better sleep"
    
2. Serving to support or corroborate
   "collateral evidence";
   - confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, substantiative, validating, validatory, verificatory, verifying
    
3. Situated or running side by side
   "collateral ridges of mountains"
    
4. Occurring with or following as a consequence
   "collateral target damage from a bombing run";
   - attendant, consequent, accompanying, concomitant, incidental, ensuant, resultant, sequent
    
5. Descended from a common ancestor but through different lines
   "cousins are collateral relatives";
   - indirect

1. A security pledged for the repayment of a loan
   "The borrower offered his car as collateral for the personal loan"
    
2. Family members who are related but not in direct lineage
   "He has many collaterals on his mother's side"

Derived forms: collaterals

See also: parallel, related, secondary, subsequent, supportive

Type of: security interest

Antonym: direct

Encyclopedia: Collateral