noun
plural days
[count] :a period of 24 hours beginning at midnight :one of the seven time periods that make up a week
If you do not look a day over a particular age, you appear to be that age.
If you say that someone is a particular age if he/she is a day, you mean that the person is that age or older.
the time of light between one night and the next :the part of the day when light from the sun can be seen [count]
the part of the day when people are usually most active and when most businesses are open [singular]
People sometimes say that they can't wait all day or don't have all day when they are in a hurry and need someone to move or act more quickly. These phrases are usually used in a rude way.
[count] :the hours during a day when a person works or goes to school or when a company does business
If something is all in a day's work for someone, it is part of a person's typical work.
To take a/the day off is to decide not to work on a particular day.
[count] :the day on which something specified happens or is expected to happen
If a day is your day, something good will happen to you on that day.
People sometimes use the phrase that'll be the day to say that they think something will not happen.
[count] :a particular period of time
The saying those were the days is sometimes used to say that a period of time in the past was pleasant and often better than the present time.
(all) the livelong day
any day now
within the next few days :soon
at the end of the day
call it a day
carry/win the day
to win or be successful
day after day
for several days without stopping or changing
day and night
or night and day
all the time :without stopping
complete or total
day by day
in small amounts every day
If you take it/things day by day, you make progress in a slow and careful way by dealing with each day as it comes.
day in, day out
or day in and day out
every day for many days :for a long time without stopping or changing
days are numbered
early days (yet)
every dog has its day
for a rainy day
from day to day
every day
from one day to the next
every day
give (someone) the time of day
chiefly US informal :to pay attention to someone - usually used in negative statements
glory days
have seen/known better days
in all your born days
in the cold light of day
in this day and age
at the present time in history
it is not every day
used to say that something happens very rarely
late in the day
make someone's day
to cause someone's day to be pleasant or happy
of the day
served in a restaurant as a special item on a particular day
of a particular period of time
one day
at some time in the future
on a day in the past
on the day
Brit :on the day that an event happens
save the day
see the light of day
some day
at some time in the future :someday
take each day as it comes
or take one day at a time or take it/things one day at a time
to deal with each day's problems as they come instead of worrying about the future
the other day
these days
at the present time
The phrase one of these days means at some time in the future.
those days
a period of time in the past
If it is (just) one of those days, it is a day in which many bad or unpleasant things happen.
to the day
to exactly a specified number of years
to this day
up to now :continuing until today
US