1. One who, or that which, purges or cleanses; especially, a cathartic medicine

Derived forms: purgers

• fast bowler
• fast break
• fast buck
• fast day
• fast dye
• fast food
• fast forward
• fast lane
• Fast of Ab
• Fast of Av
• Fast of Esther
• Fast of Gedaliah
• Fast of Tammuz
• Fast of Tevet
• Fast of the Firstborn
• fast one
• fast reactor
• fast time scale
• fast track
• fast-breaking
• fast-flying
• fast-footed
• fast-growing
• fast-paced
• fast-talk