Definition of Parkinson's law in US English:

Parkinson's law

noun

  • The notion that work expands to fill the time available for its completion.

    • ‘In a further illustration of Parkinson's law that ‘expenditure rises to meet income,’ Greve and his colleagues also found that one of the strongest predictors of Medicaid growth in the 1990s was growth in state revenue collections.’

Origin

1950s: named after Cyril Northcote Parkinson (1909–93), English writer.

Pronunciation

Parkinson's law

/ˈˌpärkənsənz ˈlô/