astronomical

astronomical — adjective

1. so high or so big that it is hard to believe — usually said of money, prices, de

1.形容詞C1
釋義

so high or so big that it is hard to believe — usually said of money, prices, debts, or numbers far beyond what people normally see.

例句

The cost of rebuilding the bridge after the flood was astronomical.

subject is a cost / price noun

Xander's phone bill was astronomical after her trip to Iceland.

common collocation: astronomical bill

同義詞
  • exorbitant

    specifically about prices that feel unfair

  • sky-high

    informal; usually about prices or rates

  • staggering

    stresses the shock more than the actual size

反義詞
  • tiny

    neutral opposite for amounts

  • negligible

    formal; small enough to ignore

文法句型

astronomical + amount/cost/figure/sum

用法筆記

Subject or modified noun is almost always something countable in money, debt, fees, odds, or large numbers. Rarely used for physical size — say 'enormous' for a building or a person.

常見錯誤

My new dog is astronomical.
My new dog is enormous.
💡'astronomical' describes amounts and prices, not the physical size of an object.

2. to do with the science that studies stars, planets, and other things far out in

2.形容詞C1
釋義

to do with the science that studies stars, planets, and other things far out in space.

例句

Dr. Yara spent the night taking astronomical photographs of Jupiter from the rooftop.

before noun: astronomical photograph

The university has a small astronomical society that meets every Friday.

before noun: astronomical society

同義詞
  • celestial

    more about the sky and heavens themselves than the science

  • stellar

    specifically about stars

用法筆記

Almost always used before a noun (research, observation, society, photograph). Rarely used after a linking verb such as 'be'.

常見錯誤

The lecture was astronomical.
The lecture was about astronomy.
💡use 'astronomical' before a noun, not as the main thing being described.

3. used to describe equipment — such as a telescope, camera, or pair of binoculars

3.形容詞C2
釋義

used to describe equipment — such as a telescope, camera, or pair of binoculars — that is built specifically for observing or measuring stars and planets.

例句

Kofi saved for a year to buy a proper astronomical telescope for his garden.

before noun: astronomical telescope

The lab uses an astronomical camera that can take pictures of very faint stars.

before noun: astronomical camera

同義詞
  • stargazing

    informal; usually before 'equipment' or 'gear'

用法筆記

Distinguish from sense 2: this sense names equipment built for the work (telescope, camera, binoculars, instruments), while sense 2 names the work itself (research, society, discovery).