an·​ti·​nu·​cle·​ar | \ ˌan-tē-ˈnü-klē-ər How to pronounce antinuclear (audio) , ˌan-ˌtī- How to pronounce antinuclear (audio) , -ˈnyü-, nonstandard -kyə-lər \

Definition of antinuclear

1 : opposing the use or production of nuclear power
2 : tending to react with cell nuclei or their components (such as DNA) antinuclear antibodies

Examples of antinuclear in a Sentence

Recent Examples on the Web The decision, earlier reported by The Wall Street Journal, is a compromise between members of a government that includes nuclear-energy supporters and the Greens, a party that was born from the antinuclear movement. Bojan Pancevski, WSJ, 5 Sep. 2022 At Diablo Canyon, antinuclear activists and environmentalists have raised concerns about the plant’s proximity to geologic fault lines, spent fuel storage, and operation and maintenance costs. Jennifer Hiller, WSJ, 1 Sep. 2022 The Greens, a party with roots in the antinuclear movement, are the key obstacle to the proposal, according to several officials. Bojan Pancevski, WSJ, 3 Aug. 2022 The couple consulted with doctors including a functional medicine practitioner and a rheumatologist, who discovered high levels of antinuclear antibodies (which can indicate an autoimmune disease). Aili Nahas,, 29 June 2022 Some local residents say the problems have been overblown by antinuclear activists. New York Times, 4 May 2022 One of the earliest antinuclear groups, Clamshell was a model for many others, which together helped slow the building of nuclear plants across the United States. New York Times, 13 Mar. 2022 Chernobyl’s effects better than the U.N. agencies tasked with that assessment, and antinuclear activists have better insight into reactor longevity than the Nuclear Regulatory Commission. Harper’s Magazine , 16 Feb. 2022 The antinuclear move has support from many of Germany’s climate-change obsessives, but abandoning carbon-free nuclear power has had predictable results on emissions. The Editorial Board, WSJ, 22 Dec. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antinuclear.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of antinuclear

1958, in the meaning defined at sense 1

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The first known use of antinuclear was in 1958

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Last Updated

27 Sep 2022

Cite this Entry

“Antinuclear.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2022.

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More Definitions for antinuclear


an·​ti·​nu·​cle·​ar | \ -ˈn(y)ü-klē-ər How to pronounce antinuclear (audio) \

Medical Definition of antinuclear

: being antibodies or autoantibodies that react with components and especially DNA of cell nuclei and that tend to occur frequently in connective tissue diseases (as systemic lupus erythematosus, rheumatoid arthritis, and Sjögrens syndrome)


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