NINETIES
nineties, mid-nineties
(noun) the time of life between 90 and 100
nineties
(noun) the decade from 1990 to 1999
nineties
(noun) the decade from 1890 to 1899
Source: WordNet® 3.1
Noun
nineties pl (plural only)
plural of ninety
The decade of the 1890s, 1990s, etc.
The decade of one's life from age 90 through age 99.
(temperature, rates, pluralonly) The range between 90 and 99.
Synonyms
• 90s, Nineties
Adjective
nineties (not comparable)
From or evoking the 91st through 100th years of a century (chiefly the 1990s).
Anagrams
• Einstein, einstein
Proper noun
Nineties
Alternative letter-case form of nineties, in the context of a specific decade (almost always) the 1890s or 1990s.
Anagrams
• Einstein, einstein
Source: Wiktionary
NINETY
Nine"ty, a. Etym: [See Nine, and cf. Forty.]
Definition: Nine times ten; eighty-nine and one more; as, ninety men.
Nine"ty, n.; pl. Nineties (.
1. The sum of nine times ten; the number greater by a unit than
eighty-nine; ninety units or objects.
2. A symbol representing ninety units, as 90 or xc.
Source: Webster’s Unabridged Dictionary 1913 Edition