by rights
idiomPart ofright
by rights — idiom
1. if things were done fairly or according to what is morally correct; used to say
1.idiom
Definition
if things were done fairly or according to what is morally correct; used to say what should happen in a fair situation
Example
By rights, the prize should have gone to Christopher, since he scored the highest marks.
By rights, the company should refund all customers whose flights were canceled without notice.