| a. | 1. | Nine times ten; eighty-nine and one more; |
| n. | 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. |
| Noun | 1. | ninety - the cardinal number that is the product of ten and nine |
| Adj. | 1. | ninety - being ten more than eighty |
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