dayday /deɪ/ ●●●S1W1 noun124 hours [countable]TMC a period of 24 hoursWe spent three days in Paris.‘What day is it today?’ ‘Friday.’He left two days ago.I’ll call you in a couple of days.on a ... dayWe’ll have to hold the party on a different day.(on) that/the following/the previous day (=during a particular day)What really happened on that day so long ago?Over 10,000 soldiers died on that one day in January.The following day, a letter arrived.I saw Jane the day before yesterday.We’re leaving for New York the day after tomorrow.I got an email from Sue the other day (=a few days ago).Women generally use up about 2,000 calories a day (=each day).2not night [countable, uncountable]TMC the period of time between when it gets light in the morning and when it gets dark opp nightShe only leaves her house during the day.It was a cold blustery day.Kept in that dark cell, I could no longer tell whether it was day or night.on a ... dayShe first met Steve on a cold but sunny day in March.by day (=during the day)Owls usually sleep by day and hunt by night.The day dawned (=started) bright and clear.3when you are awake [countable usually singular]PERIOD OF TIME the time during the day when you are awake and activeHis day begins at six.Jackie starts the day with a few gentle exercises.Sometimes I feel I just can’t face another day.It’s been a long day (=used when you have been awake and busy for a long time).all day (long)I’ve been studying all day. I’m beat!4time at workPERIOD OF TIME [countable] the time you spend doing your job during a 24-hour periodI work a ten-hour day.Rail workers are campaigning for a shorter working day.I’ve got a day off (=a day when I do not have to go to work) tomorrow.5pastTHEN [countable] used to talk about a time in the pastI knew him pretty well from his days as a DJ in the Bounty Club (=from when he was a DJ).I always used to do the cooking in the early days of our marriage.Not much was known about the dangers of smoking in those days (=then).They were very much opposed to the government of the day (=that existed then).One day (=on a day in the past), a mysterious stranger called at the house.From day one (=from the beginning), I knew I wouldn’t get on with him.In my day (=in the past, when I was young), kids used to have some respect for their elders.in somebody’s student/army/childhood etc days (=in the past when someone was a student etc)I used to run six miles a day in my army days.those were the days spoken (=used to talk about a time in the past you think was better than now)We used to stay in bed all morning and party all night. Those were the days!
COLLOCATIONS – Meaning 3: the time during the day when you are awake and activeadjectivesa good day (=in which things have happened in the way you want)Have you had a good day at work?a bad day (=in which things have happened in a way you do not want)I’ve had a really bad day !a nice/lovely/happy day (=enjoyable)We’ve had a lovely day at the beach.a beautiful/lovely/glorious day (=with very nice weather)It was a beautiful day yesterday, wasn’t it?a hard day (=difficult and tiring)Sit down – you look as though you’ve had a hard day.a long dayI got up at 5 this morning so it’s been a long day.verbshave a good/bad/long etc daySimon looked as if he’d had a bad day at the office.spend the day doing somethingI spent the day shopping with my friends.start the day (=do something at the beginning of a day)You should start the day with a good breakfast.end the day (=do something at the end of a day)We ended the day at a little restaurant by the beach.phraseshave a nice/good day! spoken (=used when saying goodbye to someone in a friendly way)Bye Sam! Have a good day!
GRAMMAR: Patterns with dayon a day• Something happens on a particular day: We met on our first day at college.✗Don’t say: in our first dayin the day• You use in the day when saying that something happens regularly during the time between dawn and sunset: It gets very hot in the day.She works at night and sleeps in the day.✗Don’t say: She sleeps on the day.by day• By day is very similar in meaning to in the day. It is used especially to make a contrast between the night and the day: He’s an office worker by day and a club DJ by night.all day• If you do something all day, you do it during all or most of the time between dawn and sunset: We’ve been driving all day.The restaurant serves food all day.✗Don’t say: all the day