explain

verb

ex·​plain ik-ˈsplān How to pronounce explain (audio)
explained; explaining; explains

transitive verb

1
a
: to make known
explain the secret of your success
b
: to make plain or understandable
footnotes that explain the terms
2
: to give the reason for or cause of
unable to explain his strange conduct
3
: to show the logical development or relationships of
explained the new theory

intransitive verb

: to make something plain or understandable
a report that suggests rather than explains
explainable adjective
Phrases
explain oneself
: to clarify one's statements or the reasons for one's conduct
Choose the Right Synonym for explain

explain, expound, explicate, elucidate, interpret mean to make something clear or understandable.

explain implies a making plain or intelligible what is not immediately obvious or entirely known.

explain the rules

expound implies a careful often elaborate explanation.

expounding a scientific theory

explicate adds the idea of a developed or detailed analysis.

explicate a poem

elucidate stresses the throwing of light upon as by offering details or motives previously unclear or only implicit.

elucidate an obscure passage

interpret adds to explain the need for imagination or sympathy or special knowledge in dealing with something.

interpreting a work of art

Examples of explain in a Sentence

I need a lawyer to explain this contract to me. The professor explained the poem to the class. She explained how the machine worked. I explained to them that I would be available by phone. Scientists could not explain the strange lights in the sky. I don't know how to explain the dog's strange behavior. We asked him to explain his reasons to us. Can you explain why no one was informed earlier? That explains why we were so far behind schedule. Give me a chance to explain.
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.
Figure explains this innovative approach. Christopher McFadden, Interesting Engineering, 16 Mar. 2025 It was explained to the passengers that a concentration of plankton had drawn swarms of small fish to the area; the concentration of small fish had attracted larger fish, which devoured the smaller fish; these predators attracted larger predators, to devour them. Joyce Carol Oates, The New Yorker, 16 Mar. 2025 All of that helps explain how Gordon got back up in 2011 with 45 doubles, 23 home runs and 87 RBIs to begin a five-year stretch as the best left-fielder in the game — as quantified by FanGraphs’ and Baseball-Reference’s measures of Wins Above Replacement. Vahe Gregorian, Kansas City Star, 16 Mar. 2025 Figure explains that this decision was made to maintain tight control over robot quality, production efficiency, and performance. Christopher McFadden, Interesting Engineering, 16 Mar. 2025 See All Example Sentences for explain

Word History

Etymology

Middle English explanen, from Latin explanare, literally, to make level, from ex- + planus level, flat — more at floor

First Known Use

15th century, in the meaning defined at transitive sense 1b

Time Traveler
The first known use of explain was in the 15th century

Browse Nearby Words

Cite this Entry

“Explain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/explain. Accessed 20 Apr. 2025.

Kids Definition

explain

verb
ex·​plain ik-ˈsplān How to pronounce explain (audio)
1
: to make plain or understandable
2
: to give the reason for or cause of
explainable adjective
explainer noun

More from Merriam-Webster on explain

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