IPA: //ˈdaʊnˌhɪl//
KK: /ˈdaʊnˌhɪl/
Describing something that slopes or moves toward a lower place; often used in relation to skiing or a decline in difficulty.
The downhill path was much easier to walk than the steep uphill trail.
In a direction that goes down a slope or hill, often used to describe movement toward a lower place or a worse situation.
The children ran downhill, laughing as they went.
A slope or path that goes downwards, often used in skiing or cycling.
The skiers raced down the steep downhill during the competition.
Downhill → It is formed from "down" (from Old English "dūne", meaning from a higher place) and "hill" (from Old English "hyll", meaning a raised area of land). The word "downhill" describes the direction towards the bottom of a hill or slope.
Imagine moving from a higher place ('down') to a lower place ('hill') — that's what downhill means.
No commonly confused words.