therefore

adverb

there·​fore ˈt͟her-ˌfȯr How to pronounce therefore (audio)
: for that reason : because of that : consequently
Payment was received two weeks after it was due; therefore, you will be charged a late fee.
The cell phone is thin and light and therefore very convenient to carry around.

Examples of therefore in a Sentence

To understand what has happened to the earth's atmosphere—and, therefore, how our climate might change in the future—some ice-core scientists in the Arctic are training their eyes directly downward. Bryan Walsh, Time, 18 Aug. 2008
Most Irish jump racing—and therefore most of the racing discussed in the book—is the laid-back pastime of enthusiasts … Max Watman, New York Times Book Review, 9 Apr. 2006
A good approach to finding out what makes us humans so darn special would therefore be to get complete maps of the human and chimp genomes, and compare the two. John Derbyshire, National Review, 7 Nov. 2005
Characteristically, however, Darwinists, like primitive economists, assume that what is humane—I use the word here, unexceptionably, as I believe, to mean whatever arises from the desire to mitigate competition and to put aside self-interest—is unnatural, and therefore wrong. Marilynne Robinson, The Death of Adam, (1998) 2005
I was once sitting behind a newspaper in the Swansea common room while two engineers, i.e. lecturers in engineering, therefore by common consent philistines, chatted together. Kingsley Amis, Memoirs, 1991
The cell phone is thin and light and therefore very convenient to carry around. Payment was received two weeks after it was due; therefore, you will be charged a late fee.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Washington has long seen Nepal as merely part of India’s backyard, and therefore limits its involvement to aid projects and disaster relief while avoiding deeper diplomatic initiatives that might irk New Delhi. Muhib Rahman, Foreign Affairs, 12 Nov. 2025 The world as a whole feels sorry for them from a distance and see them as powerless to better their lives and therefore weigh on our resources. Leo Barraclough, Variety, 12 Nov. 2025 Mike and Dustin therefore recruit Erica Sinclair (Priah Ferguson), Lucas’ sister to play that night. Dessi Gomez, Deadline, 12 Nov. 2025 By virtue of playing characters who are constantly being underestimated and therefore must prove themselves, female leads Fujisaki and Kiyohara have the most dynamic roles and are therefore the most compelling presences. Daniel Fienberg, HollywoodReporter, 12 Nov. 2025 See All Example Sentences for therefore

Word History

First Known Use

12th century, in the meaning defined above

Time Traveler
The first known use of therefore was in the 12th century

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Cite this Entry

“Therefore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/therefore. Accessed 20 Nov. 2025.

Kids Definition

therefore

adverb
there·​fore ˈt͟ha(ə)r-ˌfō(ə)r How to pronounce therefore (audio)
ˈt͟he(ə)r-
-ˌfȯ(ə)r
: for that reason : consequently
he lost the bet, therefore he must pay

More from Merriam-Webster on therefore

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