collateral
US /kəˈlæt̬.ɚ.əl/
UK /kəˈlæt̬.ɚ.əl/

1.
2.
unintended damage or injury
:
•
The bombing caused extensive collateral damage to civilian buildings.
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They tried to minimize collateral damage during the operation.
1.
additional but subordinate; secondary.
:
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The research had some interesting collateral findings.
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His collateral duties included managing the office supplies.