Definition:
unnecessary or inappropriate in the given circumstances.
Rules:
in order to use the word as an adjective, it must be followed by a noun in order for it to make sense. This word is typically used to refer to the excess or surplus of something.
Examples:
1. The large, ornate fountain outside was deemed superfluous by the mayor.
2. Making two trips to buy groceries was deemed superfluous by the shopper.
3. I felt the extra measure of security was superfluous given the situation.
Tips:
it is important to note that the word superfluous is often used negatively, as it is typically referring to something superfluous being seen as unnecessary as opposed to something being deemed necessary.