very
I
 /ˈveri/  adv  
  1 : to a great degree : extremely
  — used for emphasis before adjectives and adverbs
   a very hot day
   very accurate results
   a very small/large number/amount
   Very few people attended.
   It was a very unusual/difficult situation.
   He talks very slowly.
   We checked very carefully.
   She did very well on the test.
   It was very nice of you to stop by.
   I'm very pleased to meet you.
   I'm very sorry.
   “Thank you very much.” “You're very welcome.”
   “Were you surprised?” “Yes, very.”
   The building is very French. [=it looks like buildings in France]
   (formal) Any help you can provide would be very much appreciated.
  — often used in negative statements
   There weren't very many people there.
   She was never very popular.
   The food wasn't very good.
   I didn't like the food very much.
   “Was the food good?” “Not very.”
   “Did you like the food?” “Not very much.”
   “How's your dad?” “Not very well, I'm afraid.” [=my dad is ill]
   She's not very happy with me right now. [=she's annoyed with me]
   They weren't very nice (to me). [=they didn't treat me well; they were mean to me]
  2
  — used to emphasize the exactness of a description
   the very best restaurants
   We left the very next day.
   I told the very same [=exact same, (US) same exact] story.
   Mom said I can have my very own room [=a bedroom that I do not have to share] in the new house!
  very good — see good, 1
  very much so
    — used to say “yes” or to say that you agree with something
    “Were you surprised?” “Yes, very much so.”
   
  very well
   1 somewhat old-fashioned
    — used to say that you agree with something
    Very well, then. I'll see you tomorrow.
    Oh, very well. Do as you please.
    see also all very well at well, 2
   2 : reasonably or properly
    I can't very well show up at the wedding uninvited. [=it would be improper for me to show up at the wedding uninvited]
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II
  adj  , always used before a noun
  1
  — used to emphasize that you are talking about one specific thing or part and not another
   Those were his very [=exact, precise, actual] words.
   There's the very book I was looking for.
   the very heart [=the most central part] of the city
   the very [=extreme] beginning/end of the story
   I knew he was trouble right from the very start.
   That's the very [=same] car I saw yesterday.
   The President and the Prime Minister are meeting at this very moment. [=right now]
   At the very moment the meeting began, the lights went out. = The meeting began, and at that very moment, the lights went out.
  2 : not having anything added or extra
   The very [=mere] idea/thought of making a speech terrified him. [=just thinking about making a speech terrified him]
   You could try to help, at the very least. [=the least you could do is to try to help; you could at least try to help]
  3
  — used to emphasize that something belongs to or is part of a particular person or thing
   He disappeared right before our very eyes!
   a room of my very own [=a room I do not have to share]
   Dogs are territorial by their very nature.