Definitions of adequate compensation
a fair and reasonable amount of money or some other form of payment given to a person to make up for a loss or an injury; a fair and reasonable amount of money or other form of payment given in return for work
We have not yet received adequate compensation for the deterioration in seawater quality that has affected shellfish.
money paid for private property taken by the government for public use under the 5th Amendment to the US Constitution (= eminent domain)
The lawsuit alleges the takeover was an illegal taking without just compensation that violated the Fifth Amendment of the US Constitution.