DUPLEX Synonyms: 46 Similar and Opposite Words

duplex 1 of 2

adjective

ˈdü-ˌpleks

Definition of duplex

as in dual

consisting of two members or parts that are usually joined a duplex apartment with all of the bedrooms on the second floor

Synonyms & Similar Words

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Antonyms & Near Antonyms

duplex

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Example Sentences

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 duplex

Adjective

The project consists of 10 duplex-style homes of 1,300 square feet apiece, with three bedrooms, attached two-car garages and private yards. — Joe Tash, San Diego Union-Tribune, 25 Dec. 2022 For the penthouses, Herzog and de Meuron worked alongside structural engineers AKT to create the unique features within each duplex penthouse and interior designer Tom Dixon’s Design Research Studio to create lovely homes. — Emma Reynolds, Robb Report, 17 Nov. 2022

Noun

Teams across the sector are focused heavily on full-duplex systems, or technology that enables natural, fluid back-and-forth conversations where users can interrupt the AI mid-sentence. — Sebastian Herrera, Fortune, 27 July 2026 Villas at Deer Cove will add 78 duplex units across about 35 acres on the southwest corner of College Boulevard and Cedar Creek Parkway, site development plans show. — Kendrick Calfee, Kansas City Star, 22 July 2026 See All Example Sentences for duplex

Recent Examples of Synonyms for duplex

Adjective

These were followed by black- and silver-dial models retaining the dual-color bezel.

— Oren Hartov, Robb Report, 25 Aug. 2026
Announced at the Hot Chips conference, the processor is the first dual-architecture mainframe chip from IBM and is being developed for future IBM Z and LinuxONE systems.

— Neetika Walter, Interesting Engineering, 25 Aug. 2026

Definition of dual

Noun

Record-breaking Brooklyn home The Oppenheimer actor’s pad in the Big Apple is a massive penthouse triplex in The Standish, a luxury building in Brooklyn Heights.

— Katie Schultz, Architectural Digest, 24 July 2026
The triplex spans about 8,900 square feet, plus another 3,400 square feet of outdoor space, including a private rooftop terrace with a plunge pool and outdoor kitchen.

— Abby Montanez, Robb Report, 1 May 2026

Definition of triplex

Adjective

The products are one-megawatt-hour bounded futures and binary options, listed across the next 120 delivery hours, launched under a direct-access, fully collateralized model.

— Josipa Majic Predin, Forbes.com, 18 Aug. 2026
Sports event contracts and regulatory obstacles Prediction market platforms have launched products outside of binary event contracts.

— Ananya Chetia, CNBC, 18 Aug. 2026

Definition of binary

Noun

Guthrie responded to the catastrophic damage brought by hurricanes Idalia, Helene and Milton, and to other crises like the Surfside condo collapse.

— Michael Van Sickler, Miami Herald, 18 Aug. 2026
Continue reading … LIZ PEEK — Marxist streamer raking in millions from his West Hollywood condo wants your vote.

— , FOXNews.com, 18 Aug. 2026

Definition of condo

Adjective

The twin-engine, turbo-prop aircraft are pressurized, seat up to nine passengers and have the ability to cruise at 330 mph at 28,000 feet, Security Aviation says.

— Aaron Cooper, CNN Money, 21 Aug. 2026
New documents presented Thursday also illustrate a history of allegations of racist and violent behavior by Austin Metcalf and his twin brother, Hunter, among the character evidence that was not presented at the trial.

— Harriet Ramos, Fort Worth Star-Telegram, 21 Aug. 2026

Definition of twin

Noun

The balance between efficiency and pleasantness in doing business seems extremely hard to achieve.

— Judith Martin, Mercury News, 25 Aug. 2026
Big banks—including JPMorgan, Citi, Wells Fargo, and Bank of America—are all investing heavily in AI to boost efficiency, and Bank of America is already pointing to measurable returns.

— Sheryl Estrada, Fortune, 24 Aug. 2026

Definition of efficiency

Noun

The place had belonged to a former photography director of this magazine, Jordan Schaps, who started renting the 700-square-foot floor-through for $135 a month in 1975.

— Wendy Goodman, Curbed, 1 Nov. 2025
With its floor-through dwellings, celebrity penthouse, secret passageways, and camaraderie (begrudging or otherwise) between residents both longtime and new, the Arconia is a world within itself.

— Scarlett Harris, Architectural Digest, 8 Sep. 2025