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See more synonyms for collateralize on Thesaurus.com
verb (used with object), col·lat·er·al·ized, col·lat·er·al·iz·ing.
  1. to secure (a loan) with collateral.
  2. to pledge (property, securities, etc.) as collateral.
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Also especially British, col·lat·er·al·ise.

Origin of collateralize

First recorded in 1940–45; collateral + -ize
Related formscol·lat·er·al·i·za·tion, nounun·der·col·lat·er·al·ized, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018