contemporaneous

American  

[kuhn-tem-puh-rey-nee-uhs] / kənˌtɛm pəˈreɪ ni əs /

adjective

1. living or occurring during the same period of time; contemporary.

   Synonyms:

   concurrent, simultaneous

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contemporaneous British  

/ kənˌtɛmpəˈreɪnɪəs, kənˌtɛmpərəˈniːɪtɪ /

adjective

1. existing, beginning, or occurring in the same period of time

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Related Words

See contemporary.

Other Word Forms

• contemporaneity noun
• contemporaneously adverb
• contemporaneousness noun
• noncontemporaneous adjective
• noncontemporaneousness noun
• precontemporaneity noun
• precontemporaneous adjective
• uncontemporaneous adjective
• uncontemporaneousness noun

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 )

Example Sentences

The Labs was boosted by contemporaneous work for the U.S. military, in World War II and during the Cold War.

From The Wall Street Journal

But official records and the contemporaneous testimony of friends do not seem to support her version of their ages.

From Literature

I have no contemporaneous documentation of this transaction at all.

From MarketWatch

Key reports on inflation and jobs from October and November will be released, along with more contemporaneous reports.

From MarketWatch

Some economic data, such as last month’s unemployment rate and consumer-inflation numbers, can’t be compiled retroactively, the Labor Department has said, because they rely on contemporaneous surveys.

From The Wall Street Journal