Answer:
Scornfully - showing no respect or like for someone or something.
Synonym: contemptuously
Antonym: kindly
Example in a sentence: Steve spoke of his daughter scornfully, criticizing her for never calling her parents.
Belligerent - acting in a hostile manner; hostile mood.
Synonym: hostile
Antonym: peaceful
Example in a sentence: The atmosphere at the meeting was belligerent.
Dutifully - in a way that shows that you want to obey
Synonym: obediently
Antonym: disobediently
Example in a sentence: John dutifully sent an e-mail to the manager, as his boss requested.