a period of fasting that continues for an extended time
to end a period of fasting by eating
to start a period of fasting
to observe a period of fasting
to formally follow the practice of fasting
to a high degree of speed
to a very high degree of speed
so fast it is difficult to believe
faster than expected
fast to a degree that causes surprise or wonder
unusually fast; much faster than normal
fast in a way that is surprising or worthy of comment
slightly faster than desired or normal
moderately or quite fast
a small amount faster than desired or normal
fast in comparison to something else
so fast that it is unsafe or poses a risk
fast to a satisfying or acceptable degree
very or extremely fast (informal)
so fast it is difficult to perceive clearly
extremely and impressively fast