adverb there·fore \ ˈt͟her-ˌfȯr \
|Updated on: 14 Aug 2018

Definition of therefore

1 a : for that reason : consequently
b : because of that
c : on that ground
2 : to that end

Examples of therefore in a Sentence

  1. 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 WalshTime18 Aug. 2008
  2. Most Irish jump racing—and therefore most of the racing discussed in the book—is the laid-back pastime of enthusiasts … —Max WatmanNew York Times Book Review9 Apr. 2006
  3. 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 DerbyshireNational Review7 Nov. 2005
  4. 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 RobinsonThe Death of Adam(1998) 2005
  5. 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 AmisMemoirs1991
  6. The cell phone is thin and light and therefore very convenient to carry around.

  7. Payment was received two weeks after it was due; therefore, you will be charged a late fee.

Recent Examples of therefore from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'therefore.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of therefore

14th century

in the meaning defined at sense 1a

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therefore Synonyms


in consequence;

THEREFORE Defined for English Language Learners


Definition of therefore for English Language Learners

  • : for that reason : because of that

THEREFORE Defined for Kids


adverb there·fore \ ˈt͟her-ˌfȯr \

Definition of therefore for Students

: for that reason
  • She is sick and therefore will be absent.

Seen and Heard

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fullness to the point of excess

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