rapidly
Definitions
With great speed; very quickly.
In a short amount of time; at a fast rate.
Examples
The technology sector is evolving rapidly, changing how we work and communicate.
The river began to rise rapidly after the heavy rainfall throughout the night.
She realized that her heart was beating rapidly as she stepped onto the stage.
Synonyms
Antonyms
slowly leisurely sluggishly gradually deliberately unhurriedly languidly