The definition of 'valedictorians' & the word 'valedictorians' in example sentences or phrases

Noun
1
the student with the best grades who usually delivers the valedictory address at commencement
2
the student with the best grades who delivers the valedictory at graduation

Synonyms of the word 'valedictorians' & Antonyms of the word 'valedictorians'.

Noun
Synonymsvaledictorian, valedictory speaker, valedictory speaker*,