| a. | 1. | Double; duplicate; multiplied by two; |
| adv. | 1. | In a double degree; doubly. |
| Adj. | 1. | twofold - having more than one decidedly dissimilar aspects or qualities; "a double (or dual) role for an actor"; "the office of a clergyman is twofold; public preaching and private influence"- R.W.Emerson; "every episode has its double and treble meaning"-Frederick Harrison |
| 2. | twofold - twice as great or many; "ate a double portion"; "the dose is doubled"; "a twofold increase" | |
| Adv. | 1. | twofold - by a factor of two; "the price increased twofold last year" Synonyms: two times |