Synonyms of 'fall in'
▷ See fall
1 collapseDictionary, sink, cave in
Part of my bedroom ceiling has fallen in.
Copyright © 2016 by HarperCollins Publishers. All rights reserved.
If a building or other structure collapses, it falls down very suddenly.
A section of the Bay Bridge had collapsed.
fall apart at the seams
Thesaurus for fall in from the Collins English Thesaurus
If a roof or ceiling falls in , it collapses and falls to the ground.