Synonyms of astronomical

astronomical

adjective

ˌa-strə-ˈnä-mi-kəl 

variants also astronomic

as in enormous

unusually large

a googol is an astronomical number, and the whimsical coinage of the name was intended to suggest that fact

Synonyms & Similar Words

• enormous
• immense
• oceanic
• planetary
• cosmic
• oversized
• galactic
• tremendous
• huge
• prodigious
• massive
• cosmical
• monumental
• gigantic
• colossal
• vast
• oversize
• gargantuan
• extensive
• titanic
• imposing
• mammoth
• giant
• mountainous
• infinite
• humongous
• heroic
• monstrous
• super
• mighty
• mega
• grand
• whopping
• herculean
• monster
• cyclopean
• pharaonic
• elephantine
• overwhelming
• humungous
• jumbo
• heroical
• Himalayan
• bumper
• vasty
• major
• supersized
• gigantesque
• Brobdingnagian
• considerable
• leviathan
• super-duper
• substantial
• great
• outsized
• sizeable
• whacking
• supersize
• king-sized
• voluminous
• sizable
• walloping
• hefty
• king-size
• big
• stupendous
• gross
• outsize
• staggering
• formidable
• grandiose
• handsome
• bulky
• goodly
• majestic
• lofty
• largish
• overgrown
• tidy
• immeasurable
• monolithic
• august
• good
• cavernous
• towering
• hulking
• boundless

Antonyms & Near Antonyms

• microscopic
• microscopical
• tiny
• infinitesimal
• minuscule
• miniature
• pocket
• micro
• diminutive
• little bitty
• Lilliputian
• small
• wee
• pygmy
• teeny
• midget
• bitty
• teensy
• puny
• minute
• little
• smallish
• mini
• petite
• microminiature
• undersized
• undersize
• teeny-weeny
• teensy-weensy
• bantam
• dinky
• dwarfish
• pint-size
• half-pint
• pint-sized

Examples of astronomical in a Sentence

Recent Examples on the Web

The nineteenth century home, located at 1 Observatory Circle, is on the grounds of the U.S. Naval Observatory, which serves as a hub for astronomical research on all things in the sea, on land and in space. —Mary Cunningham, CBS News, 1 Oct. 2024

While the first generation of Starlink satellites emits radio waves that can hinder astronomical observations, say the researchers, the new ‘V2-mini’ Starlink satellites emit far more unintended electromagnetic radiation (UEMR). —Jamie Carter, Forbes, 4 Oct. 2024

Here's what Hoosiers should know about those and other astronomical events happening in October. —John Tufts, The Indianapolis Star, 4 Oct. 2024

To avoid having to negotiate those astronomical bills with the expert hagglers at insurance companies, firms kept their ERs from participating in many insurance networks. —Keren Landman, Vox, 3 Oct. 2024