ADJ
（致词、书信或演出）告别的，告别性质的
A valedictory speech, letter, or performance is one that is intended as a way of saying goodbye when someone leaves another person, a place, or a job.
例句
...Mr Walker, making his valedictory address after two years as chairman.
沃克先生，在担任主席职务两年后发表了告别演说
...her valedictory aria, sung as she leaves her lover.
她离开情人时唱起的离别咏叹调