It is often separated by the pronoun; as, fare you well; and is sometimes used as an expression of separation only; as, farewell the year; farewell, ye sweet groves; that is, I bid you farewell
Go well; good-by; adieu; originally applied to a person departing, but by custom now applied both to those who depart and those who remain
A wish of happiness or welfare at parting; the parting compliment; a good-by; adieu
Farewell means the same as goodbye. Farewell is also a noun. They said their farewells there at the cafe. goodbye