Speed

moving, happening, or being done at a speed that is low

He had a slow computer that took a long time to start up.

having a high speed when doing something, especially moving

He had a fast response to emergency situations.

taking a short time to move, happen, or be done

The chef prepared the meal with quick movements of his hands.

moving or functioning very fast

The high-speed train traveled from one city to another in a fraction of the usual time.

occurring or moving with great speed

The rapid river flowed swiftly downstream.

moving or happening quickly

The speedy delivery of the package arrived earlier than expected.

resembling or moving at the slow and deliberate pace characteristic of a snail

The snaillike traffic made her late for work.

moving or progressing very slowly

The snail-paced progress of the construction project frustrated everyone involved.

in a relaxed, unhurried manner

They walked leisurely through the park, enjoying the sunny afternoon.

occurring slowly and step-by-step over a long period of time

The company experienced gradual growth over the past decade.

to slow down or stop a moving car, etc. by using the brakes

The cyclist had to quickly brake to avoid colliding with the pedestrian crossing the street.

to move with a lower speed or rate of movement

In heavy traffic, it's common for vehicles to slow down and create congestion.