No, the adjective "very" is not appropriate because "unique" means there is just one of the "something" and "very" is a scalar active (as in "loud" and "very loud").
Neither one. It is not possible to have something that is "very unique".
He is very protective of his children
No, "most unique" is not correct usage. "Unique" means one of a kind, so something is either unique or it is not: there cannot be different degrees of uniqueness, and something cannot be very unique or most unique. It is not uncommon to hear people say "very unique" or "most unique", but this is not correct. They should be using "unusual" if they want to use it with "very" or "most".
"Unique" refers to something that is one of a kind or unlike anything else, emphasizing its distinctiveness. In contrast, "bizarre" describes something that is very strange or unusual, often in a way that is shocking or hard to comprehend. While something can be unique without being bizarre, something that is bizarre is typically considered to be outside the norm, which may or may not be unique.
Quality content is something unique, something that has been properly developed and research such that it has a very high value.
His sister died at a very young age because of a very harsh sickness
You could say that you are a unique person by doing something unique so that you even know that you are unique. Then if u know you are unique u can tell other people u are unique because u even know it by the way that you did the one thing that u did to make u unique.
Unique.Incidentally, a thing can be "unique" or "not unique", but there are no degrees of uniqueness. It is impossible for something to "really unique" or "very unique"--either it's unique or it's not. For the same reason, it is impossible for something to be "more unique" or "less unique". If you listen for these phrases, you will hear them frequently; it's surprising to discover how many people don't know what the word "unique" actually means!
Uniqueness is something very different from everything else. With people if someone is unique it is when they are different from everyone and they stand out.
Yes, in fact it means "the one and only" or "one of a kind". For example, every human being is unique. Generally, there are no degrees of uniqueness, so saying something is 'very unique' is a bit odd - like saying, Mt. Everest is very one of a kind.
They actually mean that something is unusual or uncommon but the word unique has been misued for so long that it is becoming accepted to use it this way.
Very little - unless there is something 'unique' about the coin - there were thousands of threepenny bits minted.