(historical) The conflict in the Low Countries against Spanish rule, from 1568 to 1648, that gradually turned into a Dutch war of independence.

A society characterized by rigid government control enforced through propaganda and intensive surveillance.

(informal) Approximately eighty / (informal) Of about eighty years of age.

By a factor of eighty.

By a factor of eighty.

plural of eightysomething

(colloquial) An indeterminate value between 80 (inclusive) and 90 (exclusive).

(colloquial) A person between 80 and 89 years old.