Synonyms of atomic

atomic

adjective

ə-ˈtä-mik 

as in tiny

very small in size

made atomic adjustments to the clock's mechanism to keep it from whirring as it ran

Synonyms & Similar Words

• tiny
• minuscule
• microscopic
• miniature
• infinitesimal
• small
• teeny
• bitty
• teensy
• weeny
• wee
• bitsy
• microminiature
• little bitty
• little
• itty-bitty
• micro
• baby
• teeny-weeny
• mini
• model
• dwarf
• teensy-weensy
• minute
• pygmy
• petite
• diminutive
• smallish
• pocket-size
• elfin
• pocket
• half-pint
• Lilliputian
• dinky
• puny
• dwarfish
• insignificant
• undersized
• scrubby
• minikin
• pint-size

Antonyms & Near Antonyms

• cosmic
• planetary
• massive
• giant
• astronomical
• enormous
• gigantic
• huge
• monster
• heroic
• tremendous
• colossal
• titanic
• mammoth
• monumental
• monstrous
• prodigious
• immense
• large
• mountainous
• major
• substantial
• great
• big
• extensive
• considerable
• herculean
• grand
• gross
• good
• sizable
• super
• bulky
• handsome
• oversize
• jumbo
• elephantine
• monolithic
• goodly
• hefty
• overgrown
• whopping
• formidable
• imposing
• stupendous
• majestic
• infinite
• grandiose
• lofty
• staggering
• towering
• outsize
• vast
• hulking
• king-size
• largish
• bumper
• overscale
• voluminous
• boundless
• immeasurable
• whacking
• cavernous
• vasty

Example Sentences

Recent Examples of atomic

The scans are made by synchrotron scanners, which are massive particle accelerators that can beam high-power x-rays at the object, revealing its inner layers down to the atomic level. — Claire Cameron, Scientific American, 26 June 2026

The nanometer, an atomic-scale unit of measurement, doesn't refer to the literal size of chips or their components, but to how densely transistors -- the tiny electronic switches that make up processors -- can be packed together. — CBS News, 25 June 2026

Unlike conventional nuclear fission reactors, fusion combines light atomic nuclei to release energy. — Kaif Shaikh, Interesting Engineering, 28 June 2026

This first atomic detonation not only transformed the New Mexico desert but also ushered in the nuclear age, altering WWII and creating an enduring moral burden. — Rebecca Coffey, Forbes.com, 30 June 2026