at lightning speed

/at lˈaɪtnɪŋ spˈiːd/

/æt lˈaɪtnɪŋ spˈiːd/

at lightning speed

with extremely high speed

Examples

1. After that, things moved forward at lightning speed.

2. Twitter's ability to amplify messages at lightning speed has also made it a useful tool for social movements.

3. This seems to be why when you eat slowly, you actually feel fuller compared to when you consume your food at lightning speed.

4. At lightning speed, Mary finished her exam and raced out of the classroom.