A sudden, rapid loss of stability in a system, causing it to quickly shift into a new, often undesirable state.

England’s historic national football knockout tournament, open to clubs across all levels and known for dramatic upsets and iconic matches.

A needless, futile, or hopeless task—something with no real chance of success or no meaningful purpose.

An extraordinary, unforeseeable event beyond the control of the parties to a contract that prevents, hinders, or delays them from fulfilling their contractual obligations.

An event where the Moon passes between Earth and the Sun, blocking some or all sunlight from reaching Earth.