ATOMIC Synonyms: 119 Similar and Opposite Words

atomic

adjective

ə-ˈtä-mik

Definition of atomic

as in tiny

very small in size made atomic adjustments to the clock's mechanism to keep it from whirring as it ran

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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 atomic Tests like isotopic analyses — measuring subtle differences in the atomic makeup of elements — can help identify the samples' origins by comparing their chemical fingerprints with those of Martian rocks and asteroid material. — Josh Dinner, Space.com, 18 Oct. 2026 Unlike conventional crystals, whose atomic structures repeat in space, these experimental materials also display organized movement over time. — Neetika Walter, Interesting Engineering, 14 Oct. 2026 However, the proposal does recommend that the maximum difference between atomic and astronomical time should not exceed 3,600 seconds or one hour. — Katie Hunt, CNN Money, 13 Oct. 2026 Those elementary particles, first detected experimentally in 1956, travel through space, interacting only rarely with electrons and atomic nuclei. — Daniella McCahey, The Conversation, 12 Oct. 2026 See All Example Sentences for atomic

Recent Examples of Synonyms for atomic

Adjective

But SpaceX would just go from EPS that’s a minuscule negative to a tiny positive.

— Shawn Tully, Fortune, 22 Oct. 2026
This tiny wearable device could record thousands of individual neurons simultaneously as animals swim, play, explore, and interact naturally.

— Mrigakshi Dixit, Interesting Engineering, 21 Oct. 2026

Definition of tiny

Adjective

Even boats without visible mussels can transport the invasive species because microscopic larvae can survive in water left inside vessels and equipment.

— Daniel Hunt, Sacbee.com, 23 Oct. 2026
As the crust bakes, the water in the butter turns to steam, creating microscopic flaky layers—and a light, tender crust.

— Melissa Weller, Bon Appetit Magazine, 21 Oct. 2026

Definition of microscopic

Adjective

For many of the adults buying them, miniature chairs are design objects as well as children’s furniture.

— Steven Weill, Architectural Digest, 22 Oct. 2026
The savory selection was pleasant enough, but the pastries and miniature cakes were genuinely excellent.

— Condé Nast, Condé Nast Traveler, 22 Oct. 2026

Definition of miniature

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atom

atomic

atomic clock

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“Atomic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/atomic. Accessed 27 Oct. 2026.

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Synonyms of atomic

adjective

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