What is the difference between so, very, extremely and really? For example,
We're so/very/extremely/really glad you could come!
Here so is an extra amplifier and can be used with or without one of the others, as in "We're so very glad you came".
The others have different literal meanings: a high level of gladness; a maximum level of gladness; and a truthful level of gladness. But in practice the effect of each is much the same.
In my opinion:
so < very < really < extremely
From my point of view, the difference between so and very is that:
Thank you for your interest in this question.
Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).
Would you like to answer one of these unanswered questions instead?