thenceforth
Americanadverb
Etymology
Origin of thenceforth
1325–75; Middle English thennes forth (compare Old English thanonforth ). See thence, forth
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.
Instead, the Canadian Kuitenbrouwers wound up on a farm in Quebec where, Peter’s mother and stepfather whimsically decreed, they would thenceforth make maple syrup, what the author calls “the national lifeblood” of Canada.
From The Wall Street Journal ● Dec. 24, 2025
The speculation appears to have originated with Patton Oswalt’s Twitter, and then spread thenceforth:
From Salon ● Mar. 4, 2016
Swartz vowed to find ways to sustain this serenity and thenceforth tried to make his apartment a computer-free zone.
From Slate ● Jan. 12, 2016
In theory, the nationalisation of the Bank in 1946 reduced its powers considerably; certainly interest rate decisions thenceforth became the prerogative of chancellors until 1997 and independence.
From The Guardian ● Nov. 25, 2012
Dionysius decided that the year of Christ’s birth should, thenceforth, be the year 1 anno Domini, or the first year of Our Lord.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
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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.