ninefold
Americanadjective
-
nine times as great or as much.
-
having nine elements or parts.
adverb
adjective
-
equal to or having nine times as many or as much
-
composed of nine parts
adverb
Etymology
Origin of ninefold
before 1000; nine + -fold; compare Old English nigonfeald in same sense (not attested in ME)
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.
Labor leaders say new licenses have jumped ninefold in recent years, and court reporting classrooms across the state are full.
From Los Angeles Times ● Jul. 6, 2026
Despite political disillusionment, Peruvians' main concern is security, as criminal gangs spread and extortion complaints spiked ninefold in five years.
From Barron's ● Jun. 7, 2026
Levels of the therapeutic protein increased nearly ninefold, while indicators of liver damage and inflammation dropped to near-normal levels.
From Science Daily ● Apr. 20, 2026
Helped by stock buybacks, IBM’s share price rose by more than ninefold between his arrival in April 1993 and early June 2001; over the same period, the S&P 500 rose less than threefold.
From The Wall Street Journal ● Dec. 29, 2025
If we quadruple the length of the suspending cord we double the time of its vibration; if we increase the length of the pendulum ninefold, we increase its period of vibration threefold.
From The Story of the Heavens by Ball, Robert S. (Robert Stawell), Sir
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.
