It is a verb that means to pledge, pawn, or mortgage.

Pronunciation: im-PIG-no-reit

Origin: Impignorate is a verb stemming from the Middle Latin impignoratus meaning to pledge.

How to use the word impignorate in a sentence?

Impignorating is selling (or buying) for a limited amount of time, in exchange for money.

“I impignorated my bicycle to my landlord until I’d be able to make rent”

“She will impignorate anything she can to support her disastrous addiction”

On the other side of this coin you can say “honey, look at this beautiful necklace I impignorated today- if she’s not back for it in a month- it will be yours!”

More Info: unusedwords.com