Landslide (noun)

1. The rapid movement of a large mass of rock, earth, or debris down a slope or cliff, typically as a result of natural causes such as heavy rain or earthquakes.
2. A sudden or overwhelming defeat or decline in a political or other context.

Origin:

From 'land' + 'slide'.

Examples:

1. The heavy rainfall caused a landslide that blocked the only road to the small village.
2. The landslide buried several homes and several people are still missing.
3. The earthquake triggered multiple landslides that buried roads and destroyed homes.
4. The political party suffered a landslide defeat in the elections, losing control of the government.
5. The company's stock prices experienced a landslide decline after the announcement of poor financial results.