decisive

adj.

1. 决定性的；关键的
   very important for the final result of a particular situation
   1. a decisive factor/victory/battle
      决定性的因素 / 胜利 / 战役
   2. She has played a decisive role in the peace negotiations.
      她在和谈中起了关键作用。
   3. a decisive step (= an important action that will change a situation) towards a cleaner environment
      朝着更清洁的环境迈出的关键一步
2. 坚决的；果断的；决断的
   able to decide sth quickly and with confidence
   1. decisive management
      果断的管理层
   2. The government must take decisive action on gun control.
      政府必须在枪支管制方面采取果断措施。

1. ADJ-GRADED 决定性的;关键的;明确的
   If a fact, action, or event is decisive, it makes it certain that there will be a particular result.
   1. ...his decisive victory in the presidential elections...
      他在总统大选中取得的压倒性胜利
   2. The election campaign has now entered its final, decisive phase...
      选举活动现在已进入了最后的决定性阶段。
   3. The meeting between Molotov, Bidault and Bevin was decisive.
      莫洛托夫、皮杜尔和贝文之间的会晤起到了决定性作用。
2. ADJ-GRADED 果断的;决断的
   If someone is decisive, they have or show an ability to make quick decisions in a difficult or complicated situation.
   1. He should give way to a younger, more decisive leader.
      他应该让位于更年轻、更有决断力的领导者。

1. What was needed, he said, was decisive action to halt what he called these savage crimes.
   他说，当务之急就是采取果断行动制止他所称的“这些野蛮罪行”。
2. The election campaign has now entered its final, decisive phase
   选举活动现在已进入了最后的决定性阶段。
3. The meeting between Molotov, Bidault and Bevin was decisive.
   莫洛托夫、皮杜尔和贝文之间的会晤起到了决定性作用。
4. He should give way to a younger, more decisive leader.
   他应该让位于更年轻、更有决断力的领导者。
5. He was a man of decisive action and an adventurous disposition.
   他是一个行动果断又爱冒险的人。
6. They offered opposing players bribes to fix a decisive league match against Valenciennes
   他们贿赂对方队员，在联赛对阵瓦朗谢讷队的一场决定性比赛中作弊。
7. What most people want to see is determined, decisive action and firm leadership.
   大多数人希望看到的是果决的行动和强有力的领导作风。
8. The might of the army could prove a decisive factor.
   军事力量可能会成为决定性的因素。
9. Voters perceive him as a decisive and resolute international leader
   投票者认为他是一位坚定果断的国际领导人。
10. The decisive goal arrived against the run of play
    这个决定性的得分逆转了场上的局势。
11. They were outplayed by the Colombians 'slick passing and decisive finishing.
    哥伦比亚队凭借流畅的传球和终场前的制胜进球击败了他们。
12. This is a time of decisive action and quick thinking
    这个时候应该果断行动、快速反应。
13. They have vowed a quick and decisive response.
    他们立誓要给出一个快速果断的回应。
14. Human effort is the decisive factor.
    事在人为。
15. They are ready to fight a decisive battle.
    他们做好会战的准备。
16. A decisive battle is impending ( or is imminent).
    迫临决战。
17. Your argument was the decisive one.
    你提供的论据是决定性的。
18. The government must take decisive action on gun control.
    在枪支管制方面政府必须采取果断措施。
19. This was the decisive step in the transition from ape to man.
    这就完成了从猿转变到人的具有决定意义的一步。
20. Public opinion is decisive on this question.
    公众的意见对这个问题起了决定性的作用。
21. We fought a decisive battle.
    我们打了一场一决胜负的战争。
22. Our struggle has reached a decisive moment.
    我们的斗争已到了决定性时刻。
23. He is energetic, decisive, optimistic, intelligent and ambitious.
    他是精力充沛的，决定性的和乐观的，聪明的和雄心勃勃的。
24. In the course of negotiations, their statements and quotations are very clear, clear, firm and decisive.
    在谈判的过程中，他们的陈述和报价都非常清楚、明确、坚决和果断。
25. The UK has played a decisive role in these negotiations.
    英国在这些谈判中发挥了决定性的作用。
26. She has played a decisive role in the peace negotiations.
    她在和谈中起了关键作用。
27. Once you have identified your relationship as toxic to your individuality and future, you must take decisive steps.
    一旦你发现了你的关系对你的个性和未来是有毒害的，你必须做出果断的行动。
28. We see this as a decisive shift in policy stance from China.
    我们将此视为中国政策立场出现了决定性的转变。
29. Until recently, political, social and policy obstacles were decisive.
    直到最近，政治、社会和政策方面的障碍起到了决定性作用。
30. The issue of drinking water security plays a decisive role in china's national economy and social life.
    饮用水安全问题在我国国民经济和社会生活中具有举足轻重的地位。

  decided decisive【导航词义：决定的，果断的】

  decided adj. 决定的，坚决的

〔辨析〕既可用于指人，又可用于指事物，指人时通常作表语。

  decisive adj. 果断的，决断的，决定性的

〔辨析〕指人果断的；也可用于指事物，表示决定性的。

adj

1. forming or having the nature of a turning point or crisis
   1. a critical point in the campaign
   2. the critical test

   Synonym:    critical

2. determining or having the power to determine an outcome
   1. cast the decisive vote
   2. two factors had a decisive influence

3. characterized by decision and firmness
   1. an able and decisive young woman
   2. we needed decisive leadership
   3. she gave him a decisive answer

4. unmistakable
   1. had a decisive lead in the polls