1. (adjective) having more than one decidedly dissimilar aspects or qualities

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

2. (adjective) twice as great or many

• double
• doubled
• two-fold

3. (adverb) by a factor of two

• two times

1. (adjective) having more than one decidedly dissimilar aspects or qualities

• multiple

2. (adjective) twice as great or many

• multiple

1. (adjective) twice as great or many

• double
• doubling
• double