rule against perpetuities

Legal Definition of rule against perpetuities

: a common-law rule stating that in order for a future interest to be good it must vest after its creation (as at the death of a testator) within a life in being or lives in being plus 21 years plus the period of gestation of any beneficiary conceived but not yet born — compare life in being, statutory rule against perpetuities, wait and see

Learn More about rule against perpetuities

Cite this Entry

“Rule against perpetuities.” Legal Dictionary, Merriam-Webster, Accessed 25 Sep. 2020.

Comments on rule against perpetuities

What made you want to look up rule against perpetuities? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!