astronomical

[ as-truh-nom-i-kuhl ]

adjective

1. of, relating to, or connected with astronomy.
2. extremely large; exceedingly great; enormous:

   It takes an astronomical amount of money to build a car factory.

astronomical

/ ˌæstrəˈnɒmɪkəl /

adjective

1. enormously large; immense
2. of or relating to astronomy

Derived Forms

• ˌastroˈnomically, adverb

Other Words From

• as·tro·nom·i·cal·ly adverb
• non·as·tro·nom·ic adjective
• non·as·tro·nom·i·cal adjective
• non·as·tro·nom·i·cal·ly adverb

Word History and Origins

Origin of astronomical¹

First recorded in 1550–60; from Latin astronomic(us) (from Greek astronomikós ) + -al ¹; astronomy, -ic

Example Sentences

ICE Acting Director Patrick J. Lechleitner told NBC News in July that Trump’s plan would have “astronomical” economic costs and require unfeasible infrastructure to enact.

From Salon

"The Crab Pulsar is somewhat unique -- it's relatively young by astronomical standards, only about a thousand years old, and highly energetic," he said.

From Science Daily

Kombucha — the beloved moldy, fermented drink that hit astronomical popularity in recent years but was first brewed millennia ago — is one such success story.

From Salon

There are two common ways to define seasons in the UK - meteorological and astronomical.

From BBC

Though that astronomical sum never materialized, The New York Times found that oil and gas interests donated an estimated $75 million to Trump’s campaign, the Republican National Committee, and affiliated committees.

From Salon

Related Words

• colossal
• considerable
• enormous
• gigantic
• humongous
• monumental
• sizeable
• tremendous
• vast
• whopping