decisive
🇺🇸
/dɪˈsaɪsɪv/
🇬🇧
/dɪˈsaɪsɪv/
very important for the final outcome
Her vote was decisive in choosing the winner.
她的投票对选择获胜者至关重要。
able to make quick and firm decisions
A good leader must be decisive when facing challenges.
一位优秀的领导者在面对挑战时必须果断。