Meaning of ALREADY in English

ALREADY

al ‧ read ‧ y S1 W1 /ɔːlˈredi $ ɒːl-/ BrE AmE adverb

[ Date: 1300-1400 ; Origin: all ready 'completely ready' ]

1 . before now, or before a particular time:

The design of the new house is similar to those that have already been built.

The performance had already started when we arrived.

2 . used to say that something has been done before and does not need doing again:

You already told me that.

‘Fancy a coffee?’ ‘No thanks, I already have one.’

3 . used to say that something has happened too soon or before the expected time:

Have you eaten all that food already?

Is it 5 o'clock already?

4 . used to say that a situation exists and it might get worse, greater etc:

Hurry up, we’re already late.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.