"Falling through" is a phrase used to describe a situation where something fails to materialize or comes to an abrupt end. There are several synonyms for this phrase: collapsing, ending abruptly, fizzling out, breaking down, folding, giving way, and floundering. These synonyms denote a sudden and swift conclusion of a process that was expected to be completed successfully. When we use these synonyms instead of "falling through," we add variation to our vocabulary and convey the same meaning using different expressions. It is always useful to have a repertoire of synonyms at our disposal to avoid repetitions and make our communication more effective and engaging.