Synonyms of 'hastily'
in the sense of impetuously
in the sense of on the spur of the moment
suddenly and without planning
They admitted they had taken a vehicle on the spur of the moment.
in the sense of posthaste
with great speed
The pilot decided to return to Farnborough post haste.
in the sense of promptly
She lay down and promptly fell asleep.
in the sense of rapidly
He was moving rapidly around the room.
in a rush,
like a shot,
like the clappers (British, informal),
like nobody's business (informal),
like greased lightning (informal)
Thesaurus for hastily from the Collins English Thesaurus