Pronunciation

change

Singular
posterity

Plural
posterities

  1. Posterity means people in the future.
    The baseball player is remembered by posterity as one of the best players who ever lived.
    If we cut down all of the world's trees, there will be none left for posterity.
  2. Posterity means all the people who are descendants of one person (that person's children, grandchildren, great-grandchildren, great-great-grandchildren, etc.)
    The people wanted a better government so they could have freedom for themselves and their posterity.
    We are saving money now so our posterity do not have to work as hard as we did.