1. (

• double ,
• dual ,
• twofold ,
• two-fold ,
• treble ,
• threefold ,
• three-fold ,

) 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. (

• double ,
• doubled ,
• twofold ,
• two-fold ,

) twice as great or many; "ate a double portion"; "the dose is doubled"; "a twofold increase" ;

1. (

• twofold ,
• two_times ,

) by a factor of two; "the price increased twofold last year" ;