quasi-contractualadj.

1871 Law Mag. & Law Rev. 30 91 The Act..enlarges and multiples the quasi-contractual exceptions to this rule in order to meet existing social and moral exigencies.

1887 Harvard Law Rev. 1 211 The equitable principle which enables A to recover in this case, as in quasi-contractual obligations generally, is the principle of enrichment.

1893 W. A. Keener Treat. Law Quasi-contracts i. 16 A statutory obligation which does not rest upon the consent of the parties, is clearly quasi-contractual in its nature.

1959 Earl Jowitt & C. Walsh Dict. Eng. Law II. 1456/2 The main heads of quasi-contractual liability are: (1) money paid by the plaintiff at the request of the defendant, including payment by sureties and contribution between joint contractors; [etc.].

1998 Evening Standard (Nexis) 30 Sept. 11 When work is done in circumstances where any reasonable person would assume some payment is likely, the judge imposes a quasi-contractual obligation to pay a reasonable sum.