Definition of Unjust enrichment:
Money or other benefit obtained from another which, when not intended as a gift, is legally unjustifiable or unconscionable and for which the beneficiary must make a restitution. See also quasi contract.
The action or fact of obtaining a benefit (not intended as a gift) from another party in circumstances which the law regards as unjust and where the law requires the beneficiary to make restitution; an instance of this.
Retention of a benefit without providing or offering any consideration in return, in situations where a consideration is reasonably expected.
Meaning of Unjust enrichment & Unjust enrichment Definition