downwardslide
nounUK /ˈdaʊnwədslaɪd/
US /ˈdaʊnwərdˌslaɪd/
A downwardslide is when something moves or falls down in a smooth, sliding way.
The sled went on a fast downwardslide down the snowy hill.
OTHER MEANINGS
2. A steady decrease or worsening in amount, quality, or condition.
The company's profits were on a downwardslide after the bad year.
3. A downward slope or path that something slides along.
The children raced their toys along the muddy downwardslide.
4. A decline in rank, status, or success.
His grades took a downwardslide when he stopped studying.