explanation

noun

ex·​pla·​na·​tion ˌek-splə-ˈnā-shən How to pronounce explanation (audio)
Synonyms of explanationnext
1
: the act or process of explaining
declined without any explanation
The company offered little by way of explanation for the problems. [=as a way of explaining why there were problems]
2
: something that explains
The professor's explanation was that the poem was really a parody.

Examples of explanation in a Sentence

The professor's explanation was that the poem is really a parody. an explanation of photosynthesis that most museum visitors will be able to understand
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.
Professional commentators tended to see these developments in so many local terms—turning, for their explanations, to national histories, cultures and institutions. Literary Hub, 18 May 2026 Arthur was taken back to the doctor two additional times in the ensuing weeks and was given various explanations about his condition, including asthma and even anxiety. Toria Sheffield, PEOPLE, 17 May 2026 It cannot be justified, and there can be no reason, no explanation for this genocide. Tom Tapp, Deadline, 17 May 2026 Walking upright may have freed the hands The researchers propose a two-stage explanation for human handedness. Rupendra Brahambhatt, Interesting Engineering, 16 May 2026 See All Example Sentences for explanation

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of explanation was in the 14th century

Browse Nearby Words

Cite this Entry

“Explanation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/explanation. Accessed 21 May. 2026.

Kids Definition

explanation

noun
ex·​pla·​na·​tion ˌek-splə-ˈnā-shən How to pronounce explanation (audio)
1
: the act or process of explaining
2
: a statement that makes something clear

More from Merriam-Webster on explanation

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster