fast
1 of 4adjective/fæst/
Forms:faster,fastest
1
having a high speed when doing something, especially moving
A1- He had a fast response to emergency situations.
- The express train provided a fast and efficient way for commuters to reach the city.
- She had a fast typing speed, finishing her work in no time.
- The fast roller coaster thrilled riders with its speed.
- The athlete set a new record with a remarkably fast sprint in the track and field competition.
Antonyms:
2
at a rapid tempo
Antonyms:
3
(used of timepieces) indicating a time ahead of or later than the correct time
Antonyms:
4
(of a photographic lens or emulsion) causing a shortening of exposure time
5
unwavering in devotion to friend or vow or cause
Synonyms:
8
unrestrained by convention or morality
9
resistant to destruction or fading
10
(of surfaces) conducive to rapid speeds