adultery
noun
Did you know?
What’s the difference between adultery and fornication?
In case you were wondering, the words adultery and adult are not etymologically related (in other words, adultery didn’t grow out of adult in the way that punditry grew out of pundit). Although both words come from Latin and share the same first five letters, adultery is from adulterāre (“to pollute, defile, commit adultery”), a word formed ultimately from the Latin elements ad- “to, near” and alter “other.” English adult comes from adultus, which is the past participle of the Latin word adolescere (“to grow up”).
In legal use there is a difference between adultery and fornication. Adultery is only used when at least one of the parties involved (either male or female) is married, whereas fornication may be used to describe two people who are unmarried (to each other or anyone else) engaging in consensual sexual intercourse.
Examples of adultery in a Sentence
George Ramsay, CNN, 8 Feb. 2025
The article included other remarks related to Carter’s faith − such as the importance of the separation of church and state, a conviction born of Carter’s Southern Baptist upbringing − but the adultery comment opened a rift with Carter’s kin in Christ.
—John Bacon, USA TODAY, 31 Dec. 2024
Here’s what to know about the legal proceedings of adultery in Texas.
—Marley Malenfant, Austin American-Statesman, 9 Dec. 2024
The article included other remarks related to Carter’s faith — such as the importance of the separation of church and state, a conviction born of Carter’s Southern Baptist upbringing — but the adultery comment opened a rift with Carter’s kin in Christ.
—Liam Adams, The Tennessean, 29 Dec. 2024
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Cite this Entry
“Adultery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adultery. Accessed 13 Mar. 2025.
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adultery
noun
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adultery
noun
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