Object

• inwards: As it slowly loses the fight it's outer layers start to collapse inwards.

Converse of object

• precipitate: Trawlers, the strip miners of the sea, often precipitate the collapse of fish stocks from years of over-harvesting.

Adjective modifier

• catastrophic: It required the Ukrainian authorities to abandon all State controls over the exchange rate, leading to a catastrophic collapse of the currency.

• circulatory: Anaphylactic shock, however, is a much more serious reaction, which can cause swelling, circulatory collapse and even heart failure.

• gravitational: I'm already in a state of extreme gravitational collapse!

• imminent: Faced with the imminent collapse of their marriage, they eventually agree that euthanasia may be the answer to their troubles.

• sudden: Panic had swept from city to city, and a vague dread of some sudden collapse preyed upon the minds of millions.

• partial: Whilst the tower survived the dissolution of the house, a storm in 1779 led to its partial collapse.

Modifies a noun

• doline: Large collapse dolines and marginal poljes are also notable features.

Noun used with modifier

• batting: They do, however, have a history of batting collapses, and this was one of our more spectacular.

Preposition: of

• communism: With the collapse of communism, the US foreign policy agenda needed a new enemy.

• USSR: Twelve years after the collapse of the USSR, young people are starting to question the status quo again.

• bloc: Following the collapse of the Communist bloc, Peja transformed itself into a motors company.

• civilization: I don't anticipate a total collapse of civilization as oil runs out.

• empire: The dramatic collapse of the Soviet empire is only the latest example of this trend.

Preposition: from

• exhaustion: One of the Delta hunters collapses from heat exhaustion.