" twofold "

1: being twice as great or as many;

  * e.g., " ... my reasons for buying the condo are twofold: first, it will serve as my vacation home, and second, it should turn out to be a good investment "

•  Synonyms : 

•  double

•  Antonyms : 

•  single

2: consisting of two members or parts that are usually joined;

  * e.g., " ... the mission of the campaign is twofold: to reduce underage drinking and to reduce alcohol-related traffic accidents "

•  Synonyms : 

•  binary,

•  bipartite,

•  double,

•  double-barreled,

•  double-edged,

•  dual,

•  duplex,

•  twin

•  Antonyms : 

• (N/A)

1: to two times the amount or degree;

  * e.g., " ... with the start of the recession, home foreclosures began increasing twofold "

•  Synonyms : 

•  double,

•  doubly,

•  twice

•  Antonyms : 

• (N/A)