- comprising three parts, members, or aspects; triple: a threefold program.
- three times as great or as much; treble: a threefold return on an investment.
- in threefold manner or measure; trebly.
- a unit of stage scenery consisting of three flats hinged together.
- equal to or having three times as many or as much; triple
- composed of three parts
- by or up to three times as many or as much
