Definition of there adverb from the Oxford Advanced Learner's Dictionary

Oxford3000

there

adverb
ðeə(r)
 
; ðer
 
 
1 there is, are, was, were, etc. used to show that something exists or happensThere's a restaurant around the corner.There are two people waiting outside.Has there been an accident?I don't want there to be any misunderstanding.There seemed to be no doubt about it.There comes a point where you give up.There remains the problem of finance.Suddenly there was a loud bang. (informal) There's only four days left. (literary) There once was a poor farmer who had four sons.2 in, at or to that place or positionWe went on to Paris and stayed there eleven days.I hope we get there in time.It's there, right in front of you!There it is—just behind the chair.‘Have you seen my pen?’ ‘Yes, it's over there.’There are a lot of people back there(= behind) waiting to get in.I'm not going in there—it's freezing!We're almost there(= we have almost arrived).Can I get there and back in a day?I left in 2008 and I haven't been back there since.Hello, is Bob there please? (= used when calling somebody on the phone)I took one look at the car and offered to buy it there and then/then and there(= immediately).3 existing or availableI went to see if my old school was still there.The money's there if you need it.4 at that point (in a story, an argument, etc.)‘I feel…’ There she stopped.I don't agree with you there.5 used to attract somebody's attentionHello, there!You there! Come back!There you are! I've been looking for you everywhere.6 used to attract somebody's attention to a particular person, thing or factThere's the statue I was telling you about.That woman there is the boss's wife.There goes the last bus (= we've just missed it).There goes the phone (= it's ringing). (humorous) There goes my career! (= my career is ruined)So, there you have it: that's how it all started.7 there to do something used to show the role of a person or thing in a situationThe fact is, they're there to make money.
Idioms

been there, done that

(informal) used to show that you think a place or an activity is not very interesting or impressive because you have already experienced itNot Spain again! Been there, done that, got the T-shirt.

be there for somebody

to be available if somebody wants to talk to you or if they need help
You know I'll always be there for you.

by there

(Welsh English) there; to thereHe's over by there.

have been there before

(informal) to know all about a situation because you have experienced it

not all there

(informal) not very intelligent, especially because of mental illness

so there!

(informal) used to show that you are determined not to change your attitude or opinionWell, you can't have it, so there!

there it is

(informal) that is the situationIt's crazy, I know, but there it is.

there's a good boy, girl, dog, etc.

(informal) used to praise or encourage small children or animalsFinish your lunch, there's a good boy.

there's lovely, nice, etc.

(Welsh English) used to say that something has a particular quality

there's something for you

(informal) used to say that something is a very good example of somethingShe visited him every day he was in the hospital. There's devotion for you. (ironic) He didn't even say thank you. There's gratitude for you!

there or thereabouts

(British English, informal) used to say that something is very good, even if it is not perfectAt the end of the tournament, he'll be there or thereabouts (= he may not win, but he will be one of the best players).

there, there!

(informal) used to persuade a small child to stop crying or being upsetThere, there! Never mind, you'll soon feel better.

there you are

(also there you go) (informal)1 used when giving somebody a thing they want or have asked forThere you are—that'll be £3.80, please.OK, there you go.2 used when explaining or showing something to somebodyYou switch on, push in the DVD and there you are!There you are! I told you it was easy!3 used when you are talking about something that happens in a typical way or about a situation that cannot be changedThere you go—that's what they're like.I know it's not ideal but there you go…

there you go again

(informal) used to criticize somebody when they behave in a way that is typical of themThere you go again—jumping to conclusions.
more at here and there at here adverb