aggrieving1
/əˈɡriːvɪŋ/noun
The action of aggrieve.
Origin
Late Middle English; earliest use found in Promptorium Parvulorum. From aggrieve + -ing.
aggrieving2
/əˈɡriːvɪŋ/adjective
That aggrieves someone or something.
Origin
Mid 17th century. From aggrieve + -ing.