An obligation created by the law in the absence of an agreement or contract; not based upon the intentions or expressions of the parties.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "quasi-contract" in a sentence
"Paddy O: You seem to be saying that a bribe is a quasi-contract, and a tip is a gift."
"You seem to be saying that a bribe is a quasi-contract, and a tip is a gift."
"Government, he does not doubt, is a trust, or, as he prefers, somewhat oddly, to call it, a quasi-contract; but that does not mean that the actual governors can be dismissed when any eccentric happens to take exception to their views."