COMPLEXES Synonyms: 56 Similar and Opposite Words

complexes 1 of 2

noun

plural of complex

as in facilities

a structure that is designed and built for a particular purpose an apartment complex

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Relevance

as in systems

something made up of many interdependent or related parts a complex of government programs designed to assist the needy

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complexes

2 of 2

verb

present tense third-person singular of complex

as in complicates

to make complex or difficult there's no need to complex what should be a simple process for obtaining a building permit

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Antonyms & Near Antonyms

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 complexes

Noun

With multiple functions, the shafts drew fresh air down into the multi-level complexes, and also continued below the lowest floor, reaching groundwater and serving as deep wells. — Maya Chawla, Architectural Digest, 12 Oct. 2026 The company is recruiting hosts through an online form, which notes that Community sites could include cafes, bars, apartment complexes, and neighborhoods. — Michael Kan, PC Magazine, 9 Oct. 2026 The remains of these servants, or retainers, were first excavated from the funerary complexes at Abydos, eastern Egypt, which date from around 3000 BC, in the 1920s. — Jack Guy, CNN Money, 7 Oct. 2026 The Iraqi capital is blanketed with mechanical cranes building huge apartment complexes, malls and glitzy restaurants – although both the apartments and restaurants are unaffordable for most Iraqis. — Jane Arraf, NPR, 30 Sep. 2026 Alan Duarte, 38, grew up in Complexo do Alemao, one of the two sprawling complexes of favelas targeted in Rio’s lethal police operation last year. — ABC News, 27 Sep. 2026 When a photon strikes one of these complexes, its electromagnetic energy is absorbed and boosts an electron in the complex into an excited state. — Elise Cutts, Quanta Magazine, 23 Sep. 2026 This was happening in our hometown, around the hometown university, in apartment complexes where college students lived. — Mike Bianchi, The Orlando Sentinel, 23 Sep. 2026 Passero praised Spinnaker, which has an extensive Connecticut portfolio of large-scale apartment complexes. — Don Stacom, Hartford Courant, 16 Sep. 2026

Recent Examples of Synonyms for complexes

Noun

Beyond rocket production, Blue Origin operates facilities across Cocoa, Melbourne, Orlando, and Titusville.

— Aamir Khollam, Interesting Engineering, 17 Oct. 2026
The worst damage was in the facilities division, where about half the servers were encrypted — meaning that district staff could not access their own systems and records.

— Howard Blume, Los Angeles Times, 17 Oct. 2026

Definition of facilities

Noun

The latest agreements secure suppliers for two important aircraft systems, but Vertical must still complete development, integration, and regulatory certification before Valo can enter commercial service.

— Neetika Walter, Interesting Engineering, 17 Oct. 2026
To assure further compliance, Section 5 of the act required those states to get approval from the Justice Department or a court before making any changes to their electoral systems.

— Jeffrey Toobin, The New York Review of Books, 17 Oct. 2026

Definition of systems

Verb

September's inflation report complicates things for Kevin Warsh 's Federal Reserve .

— Fred Imbert, CNBC, 14 Oct. 2026
That complicates the operations of Ukraine’s drone missions, particularly interceptor drones and mid-range strike drones, according to multiple sources.

— Jessie Yeung, CNN Money, 14 Oct. 2026

Definition of complicates

Noun

Faisal Munir, president of mission-critical communications at L3Harris, said the partnership combines complementary technologies with resilient networks.

— Aamir Khollam, Interesting Engineering, 16 Oct. 2026
The contest of networks will be nearly global, waged in multiple domains, with huge stakes riding on the outcome.

— Andrea Kendall-Taylor, Foreign Affairs, 16 Oct. 2026

Definition of networks

Verb

Forest and land fires in Indonesia have worsened this year as El Niño intensifies a prolonged dry season.

— ABC News, ABC News, 13 Oct. 2026
The warning was downgraded late Sunday night to an advisory, meaning residents should still be on high alert in the event that activity intensifies again.

— Austin Turner, CBS News, 11 Oct. 2026

Definition of intensifies

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complexed

complexes

complexified

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Style

“Complexes.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/complexes. Accessed 19 Oct. 2026.

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Synonyms of complexes

noun

verb

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