Definition of FAST

moving, proceeding, or acting with great speed <the fast pace of construction resulted in our new house being done ahead of schedule>
Phrases at speed [chiefly British]
Antonyms slow
firmly positioned in place and difficult to dislodge <the rusty, old screws are so fast in the fitting that there's no hope of getting them out>
Antonyms insecure, loose
given to or marked by cheating and deception <rolling back odometers was just one of the fast practices that the used-car dealer was guilty of>
marked by the ability to withstand stress without structural damage or distortion <as the storm approached, we checked to see that every thing on the outside of the house was fast and locked in position>
having or showing quickness of mind <I don't know how to operate this machine, but I'm a fast learner>

Seen & Heard

What made you want to look up fast[adjective]? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More