triple
adjective [ before noun ]
uk/ˈtrɪpl/ ushaving three parts of the same type, or happening three times:
a triple blow/threat The triple threat of late planting, a cool summer, and disease in September has annihilated much of the sunflower acreage.
three times bigger in size or amount:
Property purchases leapt to $464 million - nearly triple the amount for the previous year.
triple
verb [ I or T ]
uk/ˈtrɪpl/ usto increase to three times the size or amount, or to make something do this:
profits/sales triple First-half pretax profit more than tripled to a record £550 million.
The company aims to triple its international sales within five years.
sales/prices/staff triple
See also
treble