Nineties
Part of speech: noun
Definition: Plural of ninety The decade of the 1990s. The decade of the 1890s. The decade of one's life from age 90 through age 99.
Example sentence: I like a little movie I did in the early nineties called 'Mortal Thoughts.' The part was hardly written, but I learned a lot making it. No one remembers it.
1990s
Part of speech: noun
Definition: The decade from 1990 to 1999. Also known as the '90s.
Example sentence: The Right likes to think that intellectuals and academics like Allan Bloom and Dinesh D'Souza spurred the explosive growth of movement conservatism in the 1980s and 1990s, when it was actually mostly Rush Limbaugh.