Noun

1. A wish of happiness or welfare at parting, especially a permanent departure; the parting compliment; a good-bye; adieu.
2. An act of departure; leave-taking; a last look at, or reference to something.

Adjective

1. parting; valedictory; final;
   • a farewell discourse
   • his farewell bow

Interjection

1. good-bye

   He said "Farewell!" and left.

Verb

1. To bid farewell or say goodbye
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     Interjection

     
     
     
     1. adieu (farewell)