decisive
🇺🇸
/dɪˈsaɪsɪv/
🇬🇧
/dɪˈsaɪsɪv/
adjective
C1
very important for the final outcome
Her vote was decisive in choosing the winner.
C1
able to make quick and firm decisions
A good leader must be decisive when facing challenges.
translation
very important for the final outcome; able to make quick and firm decisions