Definitions

1. verb

to express disagreement or opposition, especially to an opinion or an idea

“She decided to againsay the proposal, citing several reasons why it wouldn’t work.”

2. noun

the act of expressing disagreement or opposition

“His againsay of the idea was met with a heated debate.”

3. interjection

no, not that

“Are you going to the party? Againsay, you have work tomorrow!”