1 thinking or talking mainly about the good things in a situation, in a way that makes you or sb else feel hopeful and confident 积极的；正面的；肯定的: Their reaction to my idea was generally positive. 他们对我那个意见的反应大致是肯定的。I feel very positiveabout our team's chances this season. 我非常相信这个赛季我们球队很有希望取胜。 Positive thinking will help you to succeed. 积极的思维能助你成功。 [OPP] negative 反义词为negative

2 positive (about sth/that...) certain; sure （对…）确定，有把握: Are you positive that this is the woman you saw? 你肯定这就是你见过的那个妇人吗？

3 clear; definite 明确的；清楚的；确切的: There is no positive evidence that he is guilty. 没有确实证据证明他有罪。to take positive action 采取明确的行动

4 (used about a medical or scientific test) showing that sth has happened or is present （指医学或科学检验）阳性的（显示某事物已发生或存在）: The result of the pregnancy test was positive. 妊娠检验结果呈阳性。Two athletes tested positive for steroids. 有两名运动员在类固醇检测中呈阳性。 [OPP] negative 反义词为negative

5 (used about a number) more than zero （指数字）正的 [OPP] negative 反义词为negative