rapidlyeastward
adverbUK /ˈræpɪdli ˈiːstwəd/
US /ˈræpɪdli ˈiːstwərd/
Moving very fast toward the east.
The storm moved rapidlyeastward across the country.
OTHER MEANINGS
2. Going east at high speed, often used for weather or travel.
The clouds drifted rapidlyeastward before the sunset.
3. In a fast direction toward the east side of a place.
The runners headed rapidlyeastward along the trail.
4. Moving quickly to the east in a steady way.
The birds flew rapidlyeastward for the winter.