collapse

[kuh-laps]

verb (used without object)

collapsed, collapsing 

1. to fall or cave in; crumble suddenly.

   The roof collapsed and buried the crowd.

2. to be made so that sections or parts can be folded up, as for convenient storage.

   This bridge table collapses.

3. to break down; come to nothing; fail.

   Despite all their efforts the peace talks collapsed.

4. to fall unconscious or as if unconscious or physically depleted, as from a stroke, heart attack, disease, or exhaustion.

5. Pathology.

   1. to sink into extreme weakness.

   2. (of lungs) to come into an airless state.

verb (used with object)

collapsed, collapsing 

1. to cause to collapse.

   He collapsed the table easily.

noun

1. a falling in or together.

   Three miners were trapped by the collapse of the tunnel roof.

2. a sudden, complete failure; breakdown.

   The bribery scandal brought about the complete collapse of his industrial empire.

collapse

/ kəˈlæps /

verb

1. (intr) to fall down or cave in suddenly

   the whole building collapsed

2. (intr) to fail completely

   his story collapsed on investigation

3. (intr) to break down or fall down from lack of strength

4. to fold (furniture, etc) compactly or (of furniture, etc) to be designed to fold compactly

noun

1. the act or instance of suddenly falling down, caving in, or crumbling

2. a sudden failure or breakdown

Other Word Forms

• precollapse verb
• uncollapsed adjective
• collapsible adjective
• collapsibility noun

Word History and Origins

Origin of collapse¹

First recorded in 1725–35; from Latin collāpsus “fallen together,” past participle of collābī “to fall down, fall together, fall into ruins,” from col- col- ¹ + lābī “to fall, slide, make a mistake”

Word History and Origins

Origin of collapse¹

C18: from Latin collāpsus, from collābī to fall in ruins, from lābī to fall

Example Sentences

In one message Bilel Saadaoui had sent Mr Hussein a link to a news report that a number of Jewish people had been killed in a bridge collapse, and he added the hashtag "Beloved Palestine".

Read more on BBC

Four people have died after a six-storey building which was being refurbished partially collapsed in the centre of the Spanish capital, Madrid.

Read more on BBC

Now, Johnson is documenting the supposed collapsing civic order in cities on behalf of the White House.

Read more on Salon

Meaning cash-neutral for teams like the Dodgers — and the New York teams, Boston Red Sox and Chicago Cubs — still reeling in big bucks amid the collapse of regional sports networks outside large markets?

Read more on Los Angeles Times

The UK's most senior prosecutor has said a case involving two men accused of spying for China collapsed because he could not obtain evidence from the government referring to China as a national security threat.

Read more on BBC

Related Words

• break 
• cave in 
• crumple 
• disintegrate 
• drop 
• fail 
• faint 
• fall down 
• founder 
• give way 
• shatter 
• topple 
• weaken 

When To Use

What does collapse mean?

Collapse means to break apart suddenly, as in The rickety bridge collapsed into the river. If something collapses, it falls apart or caves in quickly and suddenly. Usually, something collapses because it’s unable to support its own weight.Collapse can also be used figuratively to mean to fail or break down, as in The party quickly collapsed when two groups started fighting with each other.Collapse can also mean to fall unconscious or to pass out, as in The marathon runner collapsed due to heat stroke.Collapse can also be used as a noun in any of these senses, as in She determined that the coins dated back to the collapse of the Ottoman Empire.Example: I had to rebuild my house of cards after the wobbly table caused it to collapse.