Final answer:
The word that could be used as a synonym for 'spitefully' in the excerpt is 'resentfully'.
Step-by-step explanation:
The word that could be used as a synonym for the word 'spitefully' in the excerpt is resentfully. The character in the story is throwing the invitation with resentment and hostility. 'Spitefully' and 'resentfully' both indicate negative feelings and actions. In this context, the character is expressing her anger and frustration towards the invitation.
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