IPA: /ˈræmpənsi/
KK: /ˈræmpənsi/
The condition of being widespread or uncontrolled, often in a negative way.
The rampancy of weeds in the garden made it difficult for the flowers to grow.
Rampancy → It is formed from "ramp" (from Middle English *rampe*, meaning to rear up or leap) and the suffix "-ancy" (meaning a state or quality of). The word "rampancy" refers to the state of being rampant or growing wildly.
Imagine something that is 'leaping up' or 'growing wildly' — that's what rampancy means, reflecting the quality of being rampant.