- day
- noun1》 a twenty-four-hour period as a unit of time, reckoned from one midnight to the next and corresponding to a rotation of the earth on its axis.↘the time between sunrise and sunset.↘Astronomy a single rotation of a planet in relation to its primary.2》 a particular period of the past: the laws were very strict in those days.↘(the day) the present time.↘(days) a particular period in a person's life: my student days.↘(one's day) the successful or influential period of a person's life.adjective working or done during the day.Phrasesall in a day's work part of someone's normal routine.any day informal at any time.↘under any circumstances.call it a day decide to stop doing something.day and night all the time.day by day gradually and steadily.day in, day out continuously or repeatedly over a long period.day of reckoning a testing time when the degree of one's success or failure will be revealed. [with allusion to Judgement Day.]day to day1》 happening or proceeding on a daily basis.2》 involving everyday routine.one day (or some day or one of these days) at some time in the future.one of those days a day when things go badly.that will be the day informal that is very unlikely.these days at present.OriginOE dæg, of Gmc origin; related to Ger. Tag.
English new terms dictionary. 2014.