fourfold
adjective
four·fold
ˈfȯr-ˌfōld 
-ˈfōld
-ˈfōld
1
: being four times as great or as many
2
: having four units or members
Examples of fourfold in a Sentence
There has been a fourfold increase in membership this year.
Recent Examples on the Web
At last year’s COP30 climate summit, major producers sought to reignite the sector, announcing the Belém 4x Pledge to increase bioenergy and biofuel use fourfold over the next decade.
—
Nithin Coca, semafor.com, 23 Apr. 2026
Hybrid vehicle sales have risen nearly fourfold in the world’s third-largest auto market to 362,866 units in the financial year ending March 2026, from 98,010 units in the financial year ending March 2020, according to Care Ratings.
—Priyanka Salve, CNBC, 23 Apr. 2026
Ukraine’s aerial attacks on Russia increased nearly fourfold last year, from 6,200 in 2024 to more than 23,000 in 2025, Sergei Shoigu, the secretary of Russia’s Security Council, said last month.
—Hanna Arhirova, Los Angeles Times, 22 Apr. 2026
Additionally, the Massachusetts Bay Transportation Authority has confirmed that the price of a round-trip train ticket from central Boston to Gillette Stadium (which will be known as Boston Stadium during the tournament for sponsorship reasons) will increase fourfold from $20 to $80.
—Tom Williams, New York Times, 22 Apr. 2026
See All Example Sentences for fourfold
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Nithin Coca, semafor.com, 23 Apr. 2026
Hybrid vehicle sales have risen nearly fourfold in the world’s third-largest auto market to 362,866 units in the financial year ending March 2026, from 98,010 units in the financial year ending March 2020, according to Care Ratings.
—Priyanka Salve, CNBC, 23 Apr. 2026
Ukraine’s aerial attacks on Russia increased nearly fourfold last year, from 6,200 in 2024 to more than 23,000 in 2025, Sergei Shoigu, the secretary of Russia’s Security Council, said last month.
—Hanna Arhirova, Los Angeles Times, 22 Apr. 2026
Additionally, the Massachusetts Bay Transportation Authority has confirmed that the price of a round-trip train ticket from central Boston to Gillette Stadium (which will be known as Boston Stadium during the tournament for sponsorship reasons) will increase fourfold from $20 to $80.
—Tom Williams, New York Times, 22 Apr. 2026
See All Example Sentences for fourfold
Cite this Entry
“Fourfold.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fourfold. Accessed 1 May. 2026.
Copy CitationKids Definition
fourfold
adjective
four·fold
-ˌfōld
-ˈfōld
: being four times as great or as many
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