nineties

n. pl.	1.	The decade from 1890 to 1899; as, the gay nineties.
	2.	The decade from 1990 to 1999; as, they spent a ton of money to solve the Y2K bug in the nineties.
	3.	The time of life between ages 90 and 100.

Noun	1.	nineties - the decade from 1890 to 1899 Synonyms: 1890s
	2.	nineties - the decade from 1990 to 1999 Synonyms: 1990s
	3.	nineties - the time of life between 90 and 100 Synonyms: mid-nineties

1890s, decade, decennary, decennium