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fast
01
having a high speed when doing something, especially moving
Examples
He had a fast response to emergency situations.
The express train provided a fast and efficient way for commuters to reach the city.
02
at a rapid tempo
03
(used of timepieces) indicating a time ahead of or later than the correct time
04
(of a photographic lens or emulsion) causing a shortening of exposure time
05
unwavering in devotion to friend or vow or cause
06
securely fixed in place
07
hurried and brief
08
unrestrained by convention or morality
09
resistant to destruction or fading
10
(of surfaces) conducive to rapid speeds
fast
01
in a rapid or quick way
Examples
She ran fast to catch the bus before it departed.
He typed fast to finish the report before the deadline.
02
firmly or closely
Fast
01
abstaining from food
to fast
01
to completely or partially avoid eating or drinking for a period of time, especially because of religious reasons
02
abstain from certain foods, as for religious or medical reasons
