enormous

astronomical

as‧tro‧nom‧i‧cal /ˌæstrəˈnɒmɪkəl◂ $ -ˈnɑː-/ BrE AmE adjective
1. informal astronomical prices, costs etc are extremely high
2. [only before noun] relating to the scientific study of the stars
—astronomically /-kli/ adverb:
astronomically high rents
• • •
THESAURUS
▪ expensive costing a lot of money: an expensive car | Apartments in the city are very expensive. | An underground train system is expensive to build.
▪ high costing a lot of money.You use high about rents/fees/prices/costs. Don’t use expensive with these words: Rents are very high in this area. | Lawyers charge high fees. | the high cost of living in Japan
▪ dear [not before noun] British English spoken expensive compared to the usual price: £3.50 seems rather dear for a cup of coffee.
▪ pricey /ˈpraɪsi/ informal expensive: The clothes are beautiful but pricey.
▪ costly expensive in a way that wastes money: Upgrading the system would be very costly. | They were anxious to avoid a costly legal battle.
▪ cost a fortune informal to be very expensive: The necklace must have cost a fortune!
▪ exorbitant /ɪɡˈzɔːbətənt, ɪɡˈzɔːbɪtənt $ -ɔːr-/ much too expensive: Some accountants charge exorbitant fees.
▪ astronomical astronomical prices, costs, and fees are extremely high: the astronomical cost of developing a new spacecraft | the astronomical prices which some people had paid for their seats | The cost of living is astronomical.
▪ overpriced too expensive and not worth the price: The DVDs were vastly overpriced.
▪ somebody can’t afford something someone does not have enough money to buy or do something: Most people can’t afford to send their children to private schools.

massive

mas‧sive S2 W3 /ˈmæsɪv/ BrE AmE adjective
[Date: 1400-1500; Language: French; Origin: massif, from masse; ⇨ mass¹]
1. very large, solid, and heavy:
The bell is massive, weighing over 40 tons.
the castle’s massive walls
2. unusually large, powerful, or damaging:
My phone bill was massive last month.
massive increases in the number of homeless
Club members can get a massive discount of £50.
massive stroke/heart attack etc
He suffered a massive stroke.
massive argument/row etc British English:
I had a massive argument with her.
3. British English informal extremely good:
Listen to this. It’s a massive song.
—massively adverb:
The president was massively popular.
• • •
THESAURUS
■ very big
▪ huge/massive/enormous extremely big: The table was enormous. | a huge explosion | Their house is huge. | There is a huge amount of work to be done. | There has been a massive increase in oil prices. | The company is massive, operating in 150 countries. | A massive fire destroyed more than thirty homes. | He’s been under an enormous amount of stress recently. | The changes will have an enormous impact.
▪ great [only before noun] very big – used especially to describe the level or number of something: He achieved great success in America. | The college offers a great number of courses. | a great advantage
▪ vast extremely big – used about areas, distances, numbers, or amounts: vast areas of rainforest | A vast number of tourists visit the island every year.
▪ gigantic extremely big and much bigger than other things of the same type: Gigantic waves crashed onto the beach.
▪ colossal extremely big – used about amounts or objects: James ran up a colossal phone bill. | a colossal statue of Napoleon
▪ tremendous having an extremely big effect: There have been some tremendous changes. | My new job will be a tremendous challenge. | The children were making a tremendous amount of noise.