collapsing
verb(col-lapse)
to fall or shrink together abruptly and completely : fall into a jumbled or flattened mass through the force of external pressure
collapsing
verb(col-lapse)
to break down completely : disintegrate
collapsing
verb(col-lapse)
to cave or fall in or give way
collapsing
idiom(col-lapse)
to fall very suddenly to the ground and lie there