The term "collateraled" essentially means backed by assets or secured with collateral. Some antonyms, or words that have opposite meanings to "collateraled," include unsecured, unbacked, and unguaranteed. In other words, these words indicate that lending or loaning money without any form of assurance or collateral. Other antonyms include:
1. Unprotected - this means to be exposed to risk without any form of protection or assurance.
2. Unfunded - this means money that is not provided with financiers or in a secured way.
3. Uninsured - this means lacking protection from financial loss or damage.
In summary, antonyms for the word "collateraled" tend to convey the absence of security or any form of assurance or backing.