Meaning & Definition of Fast in English

1. Abstaining from food

1. Abstain from certain foods, as for religious or medical reasons

• "Catholics sometimes fast during lent"

2. Abstain from eating

• "Before the medical exam, you must fast"

1. Acting or moving or capable of acting or moving quickly

• "Fast film"

• "On the fast track in school"

• "Set a fast pace"

• "A fast car"

2. (used of timepieces) indicating a time ahead of or later than the correct time

• "My watch is fast"

3. At a rapid tempo

• "The band played a fast fox trot"

4. (of surfaces) conducive to rapid speeds

• "A fast road"

• "Grass courts are faster than clay"

5. Resistant to destruction or fading

• "Fast colors"

6. Unrestrained by convention or morality

• "Congreve draws a debauched aristocratic society"

• "Deplorably dissipated and degraded"

• "Riotous living"

• "Fast women"

7. Hurried and brief

• "Paid a flying visit"

• "Took a flying glance at the book"

• "A quick inspection"

• "A fast visit"

8. Securely fixed in place

• "The post was still firm after being hit by the car"

9. Unwavering in devotion to friend or vow or cause

• "A firm ally"

• "Loyal supporters"

• "The true-hearted soldier...of tippecanoe"- campaign song for william henry harrison

• "Fast friends"

10. (of a photographic lens or emulsion) causing a shortening of exposure time

• "A fast lens"

1. 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-running rivers"

• "Fast-breaking news"

• "Fast-opening (or fast-closing) shutters"

2. Firmly or closely

• "Held fast to the rope"

• "Her foot was stuck fast"

• "Held tight"