əˈstər, +V -ər.; əˈstə̄, +V -ər. also -ə̄r adjective
Etymology: probably alteration of Scots asteer, from a- (I) + steer, variant of stir
1. : stirring : in a state of activity or motion
a fresh and more vigorous spirit was plainly astir — Van Wyck Brooks
hundreds of men moved restlessly, so that the whole hill was astir — Kenneth Roberts
— often used with with
streams astir with trout
the ship was astir with agitated passengers — Ngaio Marsh
2. : out of bed : up