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 In fact, the idea of splitting atoms for propulsion and power was being seriously considered almost as soon as the first atomic explosions were made public. — David Szondy july 07, New Atlas, 8 July 2026 The key lies in a type of atomic reaction called spallation that involves energized protons in radioactive conditions. — Andrew Paul, Popular Science, 8 July 2026 Isotopes are versions of atomic elements with different numbers of neutrons. — Keith Cooper, Space.com, 6 July 2026 In the process, Moscow provided Tehran with the technical foundation to jumpstart its atomic advances – and a veneer of legitimacy for its persistent will to nuclear power. — Ilan Berman, Forbes.com, 2 July 2026 See All Example Sentences for atomic

Recent Examples of Synonyms for atomic

Adjective

Legionnaires’ disease is spread by inhaling tiny water droplets contaminated with Legionella bacteria.

— Daniel Cassady, ARTnews.com, 10 July 2026
Once your cake is baked and cooled, use the back of a piping tip to cut out tiny circles.

— Sophia Beams, Better Homes & Gardens, 10 July 2026

Definition of tiny

Adjective

The minuscule particles can lead to breathing problems like bronchitis and cause inflammation that aggravates diabetes, heart disease and other health conditions.

— Dakota Smith, CNN Money, 14 July 2026
Scientists at Aalto University in Finland have built the world’s first cyclic heat engine, operating inside a superconducting circuit and using a minuscule amount of heat from a quantum refrigerator to convert it into useful work.

— Ameya Paleja, Interesting Engineering, 13 July 2026

Definition of minuscule

Adjective

Touching infested water, even just a splash, can risk infection, as microscopic larvae swimming along the surface are able to wriggle through skin.

— William McCarthy, NPR, 4 July 2026
The culprit, Cyclospora cayetanensis, is a microscopic parasite that’s found in human feces.

— Caroline Kee, NBC news, 3 July 2026

Definition of microscopic

Adjective

The sensor also controlled liquid droplets in a miniature fluidic device and directed hair-like flexible structures without software.

— Jijo Malayil, Interesting Engineering, 13 July 2026
The old collection of miniature plastic bottles is gone, replaced by large refillable dispensers.

— Christopher Elliott, Forbes.com, 11 July 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 18 Jul. 2026.

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Synonyms of atomic

adjective

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