contemporaneous
Americanadjective
adjective
Synonym Usage
See contemporary.
Other Word Forms
Etymology
Origin of contemporaneous
First recorded in 1650–60; from Latin contemporāneus, equivalent to con- con- + tempor- (stem of tempus “time”) + -āneus ( -ān(us) -an + -eus -eous )
Explanation
If you're born on the same day as your friend, you've got a contemporaneous birthday, or one that happens in the same period of time. Contemporaneous comes from the Latin prefix con- meaning "together with" and temporaneus, meaning "time." Two contemporaneous events happen together in time. Richard Nixon's presidency and the first man on the moon are contemporaneous — both happened at the same period of time in history.
Vocabulary lists containing contemporaneous
Ides, Eon, Epoch, and Era: Time-related Words
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100 SAT words Beginning with "C"
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This Week in Words: April 14 - 20, 2018
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Likewise, if the lawyer has contemporaneous notes stating the client authorized settlement, those could support the lawyer’s position.
From MarketWatch ● Aug. 26, 2026
They are three people who watched the fire get lit and, by their own contemporaneous words, knew exactly what was burning.
From Salon ● Aug. 18, 2026
A contemporaneous internal survey, however, indicated that less than half the district’s teachers said students treated each other with respect.
From The Wall Street Journal ● Jul. 29, 2026
He said that six of those offences occurred in first five months of 2025 and were therefore contemporaneous with offences in this trial.
From BBC ● Jun. 29, 2026
But official records and the contemporaneous testimony of friends do not seem to support her version of their ages.
From "American Spirits" by Barb Rosenstock
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
