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1. Descended from a common ancestor but through different lines
   "cousins are collateral relatives"
   - indirect
    
2. Serving to support or corroborate
   "collateral evidence"
   - confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, substantiative, validating, validatory, verificatory, verifying
    
3. Accompany, concomitant
   "collateral target damage from a bombing run"
    
4. Situated or running side by side
   "collateral ridges of mountains"

1. A security pledged for the repayment of a loan

Derived forms: collaterals

See also: parallel, related, secondary, supportive

Type of: security interest

Antonym: lineal

Encyclopedia: Collateral