adjective
1.
having two parts, elements, or aspects
the problem is twofold: to find gasoline and to be able to pay for it
Synonyms: bifold, binary, double, double-barreled, dual, dualistic, duple, duplex
Related Word: dyadic; paired, twin
Contrasted words: distinct, separate
2.
being twice as large, as great, or as many
a twofold increase in enrollment
Synonyms: double, double-barreled
Idioms: twice over