To reduce or limit one's nutrition intake for medical or health reasons, to diet.
(academic) To cause a person or animal to abstain, especially from eating.
To practice religious abstinence, especially from food.
Of a place, characterised by business, hustle and bustle, etc.
Not running or fading when subjected to detrimental conditions such as wetness or intense light; permanent.
Causing unusual rapidity of play or action.
Steadfast, with unwavering feeling. (Now mostly in set phrases like fast friend(s).)
Able to transfer data in a short period of time.
Firm against attack; fortified by nature or art; impregnable; strong.
Moving with great speed, or capable of doing so; swift, rapid.
Having a kinetic energy between 1 million and 20 million electron volts; often used to describe the energy state of free neutrons at the moment of their release by a nuclear fission or nuclear fusion reaction (i.e., before the neutrons have been slowed down by anything).
Deep or sound (of sleep); fast asleep (of people).
More sensitive to light than average.
Ahead of the correct time or schedule.
Short for "stand fast", a warning not to pass between the arrow and the target
The act or practice of fasting, religious abstinence from food
One of the fasting periods in the liturgical year
A train that calls at only some stations it passes between its origin and destination, typically just the principal stations
Deeply or soundly .
In a firm or secure manner, securely; in such a way as not to be moved; safe, sound .
Immediately following in place or time; close, very near .
Ahead of the correct time or schedule.
Quickly, with great speed; within a short time .
To make prices, or taxes, lower.
To drop someone off, or let them out of a vehicle.
To euthanize (an animal).
To pay.
To terminate a call; to hang up.
To give something as a reason for something else.
To add a name to a list.
To insult, belittle, or demean.
To halt, eliminate, stop, or squelch, often by force.
To land.
Used other than figuratively or idiomatically: see put, down.
To execute (a person), especially extrajudicially.
To write (something).
To place a baby somewhere to sleep.
To cease, temporarily or permanently, reading (a book).