adjective
US/ˌæs.trəˈnɑː.mɪ.kəl/
UK/ˌæs.trəˈnɒm.ɪ.kəl/
Extremely large, used especially about prices, costs and numbers.
In context
Rents in the city center have reached astronomical levels, so many students live far away.
Short entry. Full notes coming.