Third-person singular simple present indicative form of fast.(verb)
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Use "fasts" in a sentence
"COHEN: It is not always bad when you figure that lots of religions, Jews, Muslims, Mormons, lots of people do short-term fasts and have been doing them for thousands of years."
"Not everyone thinks long-term fasts are such a good idea: Shigeru Miyazaki, a physician at Tokyo Teishin Hospital, warns that they can "lead to muscle loss, weaken the heart and cause cardiac problems.""
"The group hates the Pope, celebrates mass in Latin, fasts on Fridays and requires women to wear hats in church."