collapse

/kəˈlæps/

Reviewed on

Also a noun

Meaning

  1. To fall down or cave in suddenly because of structural failure or loss of support.

    • The old wooden bridge collapsed under the weight of the heavy machinery.

    • Will the roof collapse if another foot of snow accumulates tonight?

  2. To fall down unconscious or unable to stand because of illness, injury, or exhaustion.

    • Several marathon runners collapsed near the finish line in the extreme heat.

    • He had nearly collapsed from sheer exhaustion before anyone offered him water.

  3. To fail suddenly and completely, as of a system, business, government, or negotiation.

    • The peace talks collapsed after both sides refused to compromise on border security.

    • Has the regional banking system ever collapsed so quickly without federal intervention?

  4. To fold into a more compact shape for easy storage or transport.

    • This lightweight stroller collapses easily with a single push of a button.

    • Did you collapse the camping chairs before putting them back in the trunk?

How it's used

When this means “fall down or cave in”

  • collapse under the weight

The roof collapsed under the weight of the snow.

When this means “fold something into a compact shape”

  • collapse the stroller
  • collapse the stroller down

“collapse it.”

She collapsed the stroller and placed it in the trunk.

Collocations

  • collapse from exhaustion
  • collapse under pressure
  • threaten to collapse

Synonyms

  • cave in
  • crumble
  • faint
  • fail