come undone

phrasal verbPart ofundo

come undone — phrasal verb

1. 1. (physical) to become unfastened or untied. 2. (figurative) to fail or fall ap

1.phrasal verb
Definition

1. (physical) to become unfastened or untied. 2. (figurative) to fail or fall apart, especially after a period of apparent success or stability.

Example

Yara noticed her shoelace had come undone, so she knelt down and retied it.

The team's perfect season came undone when their star player got injured.