Yes it is, if it precedes the noun, as in "a well-known actress."
If it follows the noun, as in "the actress is well known," it is not hyphenated.
Well-to-do is a hyphenated word. The direction west-northwest is hyphenated.
well-known
No. Well above is not hyphenated.
No, well above average is not hyphenated.
It should be hyphenated when it is being used as an adjective.
No, "well known" does not have a dash. It is typically written as two separate words when used as an adjective, as in "a well known author." However, when used as a compound adjective before a noun, it is often hyphenated as "well-known."
It should be hyphenated.
well-being well-to-do west-northwest
To-night At a certain moment in time "well-come" used to be hyphenated.
well-meant
No, "well respected" is not hyphenated. It is commonly used as two separate words to describe someone who is held in high regard. However, if used as a compound adjective before a noun, you might see it hyphenated as "well-respected individual."
Yes