| a. | 1. | Four times ten; thirty-nine and one more. |
| n. | 1. | The sum of four tens; forty units or objects. |
| 2. | A symbol expressing forty units; as, 40, or xl. |
| Noun | 1. | forty - the cardinal number that is the product of ten and four |
| Adj. | 1. | forty - being ten more than thirty |
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