noun๐ShareA train that calls at only some stations it passes between its origin and destination, typically just the principal stations"The fast train to town only stops at the main station, not the smaller ones. "vehicleessentialChat with AIVocabulary GamePractice Reading
adjective๐ShareFirmly or securely fixed in place; stable."That rope is dangerously loose. Make it fast!"structuretechnicalphysicsessentialChat with AIVocabulary GamePractice Reading
adjective๐ShareFirm against attack; fortified by nature or art; impregnable; strong."The castle walls were fast, making it nearly impossible to breach. "militaryarchitecturebuildingessentialChat with AIVocabulary GamePractice Reading
adjective๐Share(of people) Steadfast, with unwavering feeling. (Now mostly in set phrases like fast friend(s).)"My fast friend, Sarah, always supports me through thick and thin. "characterpersonhumanfamilyattitudeessentialChat with AIVocabulary GamePractice Reading
adjective๐ShareMoving with great speed, or capable of doing so; swift, rapid."I am going to buy a fast car."abilityphysicsnaturetimeessentialChat with AIVocabulary GamePractice Reading
adjective๐ShareCausing unusual rapidity of play or action."a fast billiard table"sportgametimeactionessentialChat with AIVocabulary GamePractice Reading
adjective๐Share(of a piece of hardware) Able to transfer data in a short period of time."The new computer's hard drive is fast; it takes only a few seconds to load large files. "technologycomputingelectronicsessentialChat with AIVocabulary GamePractice Reading
adjective๐ShareDeep or sound (of sleep); fast asleep (of people)."My little brother was fast asleep in his bed, so I tiptoed past his room. "physiologyconditionessentialChat with AIVocabulary GamePractice Reading
adjective๐Share(of dyes or colours) Not running or fading when subjected to detrimental conditions such as wetness or intense light; permanent."All the washing has come out pink. That red tee-shirt was not fast."colormaterialqualityessentialChat with AIVocabulary GamePractice Reading
adjective๐ShareTenacious; retentive."My grandmother has a fast memory; she remembers details from her childhood vividly. "mindcharacteressentialChat with AIVocabulary GamePractice Reading
adjective๐ShareHaving an extravagant lifestyle or immoral habits."a fast woman"moralcharactersocietyessentialChat with AIVocabulary GamePractice Reading
adjective๐ShareAhead of the correct time or schedule."I think my watch is running fast.""There must be something wrong with the hall clock. It is always fast."timeessentialChat with AIVocabulary GamePractice Reading
adjective๐Share(of photographic film) More sensitive to light than average."The fast film in my camera captured the image of my dog very clearly, even though it was a cloudy day. "technicaltechnologyelectronicsessentialChat with AIVocabulary GamePractice Reading
adverb๐ShareIn a firm or secure manner, securely; in such a way as not to be moved; safe, sound ."Hold this rope as fast as you can."positionconditionessentialChat with AIVocabulary GamePractice Reading
adverb๐Share(of sleeping) Deeply or soundly ."He is fast asleep."physiologybodyessentialChat with AIVocabulary GamePractice Reading
adverb๐ShareImmediately following in place or time; close, very near ."The bus arrived fast after the scheduled time. "timeessentialChat with AIVocabulary GamePractice Reading
adverb๐ShareQuickly, with great speed; within a short time ."Do it as fast as you can."timeactionessentialChat with AIVocabulary GamePractice Reading
๐ShareAhead of the correct time or schedule."The train was fast; it arrived at the station an hour before the schedule. "timeessentialChat with AIVocabulary GamePractice Reading
interjection๐ShareShort for "stand fast", a warning not to pass between the arrow and the target""Fast!" shouted the archery coach, stopping the children from moving between the arrow and the target. "militaryweaponsportcommunicationexclamationessentialChat with AIVocabulary GamePractice Reading
noun๐ShareThe act or practice of abstaining from food or of eating very little food."Their strict religious fast meant they didn't eat anything all day. "religionculturetraditionfoodessentialChat with AIVocabulary GamePractice Reading
noun๐ShareThe period of time during which one abstains from or eats very little food."Lent and Ramadan are fasts of two religions."religionperiodfoodritualcultureessentialChat with AIVocabulary GamePractice Reading
verb๐ShareTo restrict oneโs personal consumption, generally of food, but sometimes other things, in various manners (totally, temporally, by avoiding particular items), often for religious or medical reasons."Muslims fast during Ramadan and Catholics during Lent."religionfoodmedicinecultureactionessentialChat with AIVocabulary GamePractice Reading