fast
Moving very quickly.
Moving or capable of moving at a high speed.
Quickly or with high speed.
At a high rate of motion or progress.
Held tightly and not able to move.
Firmly attached or held in place; not able to be moved.
To not eat for some time, often for religion or health.
To eat no food, and sometimes no drink, especially for religious or health reasons, for a set period of time.
A time when you do not eat food for religion or health.
A period during which someone does not eat food, often for religious or health purposes.
- Base: fast
- Comparative: faster
- Superlative: fastest
- Base: fast
- Plural: fast, fasts
- Base: fast
- 3rd Person Singular: fasts
- Present Participle: fasting
- Past: fasted
hold fast
1Keep a firm grip on something
To keep holding something tightly and not let go.
- Hold fast to the railing when climbing the stairs.
- He held fast to his beliefs despite criticism.
play fast and loose
1Act carelessly or dishonestly
To behave without care or honesty, especially with rules or promises.
- The company played fast and loose with safety regulations.
- You can't play fast and loose with people's trust.
fast asleep
1sleeping very deeply
Sleeping very deeply and peacefully.
- By 10 p.m., the children were fast asleep.
- She looked so peaceful, fast asleep under the blanket.
fast asleep
2In deep sleep
Sleeping very deeply.
- She was already fast asleep when I came home.
- The baby is fast asleep in his crib.