Meaning of VERY in English

(EXACT) [adjective] [before noun; not gradable] - (used to add emphasis to a noun) exact or particularThis is the very book I've been looking for all month.You're the very person we need for the job.Although they're sisters, they're the very opposite of one another.The letter was sent on Monday from Munich and arrived in London the very next day.The very fact that he didn't show up should have warned them that something was wrong.The very thought of having her friends to stay fills me with dread.Why not take garlic to stop you getting colds - it's the very thing (= it is exactly what is needed).Very can also be used to show an extreme.He found the piece of paper he had lost at the very bottom of the pile.We were at the very end of the queue and so didn't manage to get any tickets.

Cambridge English vocab.      Кембриджский английский словарь.