Meaning : Abstain from certain foods, as for religious or medical reasons.
Catholics sometimes fast during Lent.
Meaning : Abstain from eating.
Before the medical exam, you must fast.
Meaning : Acting or moving or capable of acting or moving quickly.
On the fast track in school.
Set a fast pace.
A fast car.
Meaning : (used of timepieces) indicating a time ahead of or later than the correct time.
My watch is fast.
Meaning : At a rapid tempo.
The band played a fast fox trot.
Meaning : (of surfaces) conducive to rapid speeds.
A fast road.
Grass courts are faster than clay.
Meaning : Resistant to destruction or fading.
Meaning : (of a photographic lens or emulsion) causing a shortening of exposure time.
A fast lens.
Meaning : Quickly or rapidly (often used as a combining form).
How fast can he get here?.
Ran as fast as he could.
Needs medical help fast.
Fast-opening (or fast-closing) shutters.
Meaning : Firmly or closely.
Held fast to the rope.
Her foot was stuck fast.
Synonyms : tight