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

Imagine a perfect replica of a sprawling metropolis, a Tokyo or a São Paulo, engraved at atomic dimensions on a tile the size of a fingernail. — Gideon Lewis-Kraus, New Yorker, 19 Oct. 2026

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

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