1in·verse 
/ɪnˈvɚs, ˈɪnˌvɚs/ adjective
always used before a noun /ɪnˈvɚs, ˈɪnˌvɚs/ adjective 1 — used to describe two things that are related in such a way that as one becomes larger the other becomes smaller ▪ The study indicates an inverse relationship between the unemployment rate and inflation. [=as the unemployment rate drops, inflation rises] ▪ My interest in his books declined in inverse proportion to his popularity. [=my interest declined as his books became more popular] 2 technical : opposite in nature or effect
▪ Addition and subtraction are inverse operations.
▪ Addition and subtraction are inverse operations.
— in·verse·ly adverb
