IPA: /ˌrɛpərˈkʌsɪv/
KK: /rɛpərˈkʌsɪv/
Having the ability to bounce back or cause a sound to echo; often used to describe effects that return or rebound.
The repercussive effects of the loud music could be felt throughout the entire building.
A repellent is something that keeps away or drives off unwanted things, often used in the context of insects or pests.
The new spray is an effective repercussive against mosquitoes.
Repercussive → It is formed from "re-" (meaning again) and "percutere" (meaning to strike). The word describes something that strikes back or has an effect that reverberates again.
Think of something that 'strikes back' ('re-' means again and 'percutere' means to strike) — that's why repercussive refers to effects that resonate or echo.