astronomical
oxford
views updated Jun 08 2018as·tro·nom·i·cal / ˌastrəˈnämikəl/ •
adj. 1. of or relating to astronomy.2. inf. (of an amount) extremely large: he wanted an astronomical fee.DERIVATIVES: as·tro·nom·ic adj.
(in sense 2).as·tro·nom·i·cal·ly / -ik(ə)lē/ adv.
The Oxford Pocket Dictionary of Current English