threefold
Americanadjective
-
comprising three parts, members, or aspects; triple.
a threefold program.
-
three times as great or as much; treble.
a threefold return on an investment.
adverb
adjective
-
equal to or having three times as many or as much; triple
a threefold decrease
-
composed of three parts
a threefold purpose
adverb
Etymology
Origin of threefold
before 1000; Middle English threfold, Old English thrīfeald. See three, -fold
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
West Coast hit $5,933 on Friday, a threefold increase from the end of February and the highest rate since September 2024, according to transportation intelligence company Xeneta.
From The Wall Street Journal ● Jun. 26, 2026
China’s 2007 infrastructure boom: Led by a property and construction rush, materials and industrials stocks surged threefold into the October 2007 top, only to collapse 65% to 85% a year later.
From MarketWatch ● Jun. 2, 2026
The Central Bank has forecast mining exports to grow threefold by 2030, with copper set to play an expanding role.
From Barron's ● May 23, 2026
One study Shain co-authored found that tanning beds accelerate DNA mutations in parts of the body not typically exposed to the sun, leading to a nearly threefold increase in indoor tanners’ lifetime melanoma risk.
From Los Angeles Times ● May 6, 2026
It is not uncommon for their egg production to be increased threefold — all through the beneficent effect of insecticides.
From "Silent Spring" by Rachel Carson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
