SIMULTANEOUSLY Synonyms: 18 Similar and Opposite Words

simultaneously

adverb

Definition of simultaneously

as in concurrently

at one and the same time fires broke out simultaneously in several parts of town

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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.

Recent Examples of simultaneously Crews may have to navigate at night, in poor weather or through areas affected by dust and smoke, while simultaneously maintaining awareness of threats and obstacles. — Prabhat Ranjan Mishra, Interesting Engineering, 31 Aug. 2026 Their advantage can come from scale, diversity of telemetry and the ability to learn across many different environments simultaneously. — Emil Sayegh, Forbes.com, 30 Aug. 2026 The extreme heat pushed up air conditioning electricity demand, while heavy storms simultaneously dealt a blow to power supplies in parts of the country. — CNBC, 28 Aug. 2026 During its free Star Trek Lates event on September 8, visitors will attempt to set the Guinness World Records title for the most people performing a Vulcan salute simultaneously. — George Nelson, ARTnews.com, 28 Aug. 2026 First-of-a-kind textile recycling facilities can carry several risks simultaneously. — Alexandra Harrell, Footwear News, 28 Aug. 2026 Israel has been training and deploying its own dogs for military combat while simultaneously rescuing dogs from the Gaza Strip in humanitarian missions and finding them new Israeli homes. — Irus Braverman, The Conversation, 26 Aug. 2026 Some ergonomic shortcomings remain, such as the fact that its precious screen real estate can’t display Ferrari’s iconic tachometer and a GPS screen simultaneously. — Basem Wasef, Robb Report, 26 Aug. 2026 The lightweight formula is packed with vitamin E and niacinamide to plump and smooth your complexion while simultaneously protecting it. — Kara Jillian Brown, InStyle, 26 Aug. 2026

Recent Examples of Synonyms for simultaneously

concurrently

Adverb

Tehran vowed to retaliate and is concurrently rebuilding its military and, according to reports, may be planning on expanding the war, including escalation into Europe.

— Kim Hjelmgaard, USA Today, 27 Aug. 2026
His Canyon County sentence is running concurrently with his prison term in the Ada County case.

— Rachel Roberts, Idaho Statesman, 27 Aug. 2026

Definition of concurrently

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simultaneous

simultaneously

simultaneousness

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“Simultaneously.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/simultaneously. Accessed 1 Sep. 2026.

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Synonyms of simultaneously

adverb

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