/ əˈgriːvd; NAmE / adjective
1.
aggrieved (at / by sth) feeling that you have been treated unfairly
2.
( law ) suffering unfair or illegal treatment and making a complaint :
the aggrieved party (= person) in the case
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WORD ORIGIN
Middle English (in the sense distressed ): past participle of aggrieve , from Old French agrever make heavier, based on Latin aggravare , from ad- (expressing increase) + gravis heavy.