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

Synonyms & Similar Words

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

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 Five years ago, self-storage was one of the most profitable segments of the real-estate industry, with higher annual returns than multifamily housing, office complexes, and retail stores. — David Owen, New Yorker, 14 Sep. 2026 The author at Budapest’s Szechenyi Thermal Bath, one of the largest spa complexes in Europe, with 18 pools. — Lucy Handley, CNBC, 14 Sep. 2026 Although many cities across California are building denser, multifamily housing complexes, most are apartments, which are covered by different construction liability laws. — Grace Toohey, Los Angeles Times, 11 Sep. 2026

Recent Examples of Synonyms for complexes

Noun

Doubts in facilities management Now, CDE employees say their concerns extend beyond bedbugs to how their headquarters are maintained overall.

— Corey Schmidt, Sacbee.com, 3 Oct. 2026
The service is intended to provide a more streamlined travel experience, including access to private terminals rather than crowded commercial airport facilities.

— Prabhat Ranjan Mishra, Interesting Engineering, 3 Oct. 2026

Definition of facilities

Noun

Russian media highlighted an even broader collection of technologies, including mass drone deployments, counter-drone systems, electronic warfare, precision weapons and mobile assault units.

— Bojan Stojkovski, Interesting Engineering, 4 Oct. 2026
The chips are power-hungry (a ChatGPT AI query consumes about ten times as much energy as a normal Google search) and also generate a lot of heat, which requires cooling systems.

— The Week UK, TheWeek, 27 Sep. 2026

Definition of systems

Verb

Iran war complicates interest rate debate Earlier this year, the FOMC wrestled with lowering rates versus holding them steady despite higher prices.

— Taylor Millard, The Washington Examiner, 3 Oct. 2026
This high salt content complicates conventional whey processing, while the combination of salt and a large amount of organic material also makes simply dumping the stuff a bad idea.

— New Atlas, New Atlas, 3 Oct. 2026

Definition of complicates

Noun

The constitutional question has been litigated many times, and by our count, every state or federal appellate court that’s ruled on the issue has concluded that ALPR networks are within bounds of the Fourth Amendment.

— Rafael A. Mangual, Washington Post, 2 Oct. 2026
As defense shifts from traditional armor toward connected missile-defense grids and real-time targeting, its components become increasingly central to the weapons and sensing systems that make those networks work.

— Harvey Stober, CNBC, 2 Oct. 2026

Definition of networks

Verb

The disclosure intensifies criticism of officials who dismissed concerns about sailors’ conditions as the administration offers no clear timeline for ending the war.

— Ben Finley, Los Angeles Times, 24 Sep. 2026
Deforestation contributes to erosion, damages biodiverse areas, threatens wildlife and humans who rely on the forest, and intensifies disasters from extreme weather.

— ABC News, ABC News, 13 Sep. 2026

Definition of intensifies

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complexed

complexes

complexified

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“Complexes.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/complexes. Accessed 9 Oct. 2026.

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Synonyms of complexes

noun

verb

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