[nahyn-tee] /ˈnaɪn ti/
noun, plural nineties.
a cardinal number, ten times nine.
a symbol for this number, as 90 or XC.
a set of this many persons or things.
nineties, the numbers, years, degrees, or the like, from 90 through 99, as in referring to numbered streets, indicating the years of a lifetime or of a century, or degrees of temperature:
His grandmother is in her nineties.
amounting to 90 in number.
noun (pl) -ties
the cardinal number that is the product of ten and nine See also number (sense 1)
a numeral, 90, XC, etc, representing this number
something represented by, representing, or consisting of 90 units
Old English nigontig, from nine + -tig “group of ten” (see -ty (1)). Cognate with Old Frisian niontich, Middle Dutch negentich, Dutch negentig, German neunzig.
- Ninety-day wonder
[nahyn-tee-dey] /ˈnaɪn tiˌdeɪ/ noun, Informal. 1. an officer commissioned in a branch of the armed forces after an unusually short training period, especially after a three-months officers’ training course during World War II. noun phrase [WWI armed forces; based on nine-days’ wonder]
[nahyn-tee-eyt] /ˈnaɪn tiˈeɪt/ noun 1. a cardinal number, 90 plus 8. 2. a symbol for this number, as 98 or XCVIII. 3. a set of this many persons or things. adjective 4. amounting to 98 in number.
[nahyn-tee-eytth, -eyth] /ˈnaɪn tiˈeɪtθ, -ˈeɪθ/ adjective 1. next after the ninety-seventh; being the ordinal number for 98. 2. being one of 98 equal parts. noun 3. a ninety-eighth part, especially of one (1/98). 4. the ninety-eighth member of a series.
[nahyn-tee-fifth] /ˈnaɪn tiˈfɪfθ/ adjective 1. next after the ninety-fourth; being the ordinal number for 95. 2. being one of 95 equal parts. noun 3. a ninety-fifth part, especially of one (1/95). 4. the ninety-fifth member of a series.