IPA: /əˈɡriːv.mənt/
KK: /əˈɡrimənt/
The condition of feeling upset or unhappy because of something that is unfair or wrong.
Her aggrievement was evident when she spoke about the unfair treatment she received.
Aggrievement is formed from "aggrieve" (from Old French *agrever*, meaning to cause grief or harm) and the suffix "-ment" (meaning the action or result of). The word "aggrievement" refers to the state or condition of being harmed or wronged.
Think of the word 'aggrieve' which means to cause harm or grief, and remember that 'aggrievement' is the state of experiencing that harm.