Definition of "fast"
- adjective
- Able to transfer data in a short period of time. 
- adverb
- Ahead of the correct time or schedule. 
- noun
- A train that calls at only some stations it passes between its origin and destination, typically just the principal stations. 
- The act or practice of abstaining from food or of eating very little food. 
- The period of time during which one abstains from or eats very little food. 
- interjection
- Short for "stand fast", a warning not to pass between the arrow and the target. 
- verb
- To abstain from or eat very little food; to abstain from food for religious or medical reasons. 
- Sources