It's very definitely a usage which has come over to Britain from America.

这肯定是从美国传至英国的一种用法。

《柯林斯英汉双解大词典》

I think its changing to the colder rather than the warmer, but anyway, the weather is changing, very definitely.

我认为正在变冷而不是变暖，但不管怎么说，气候的确在变，这是非常肯定的事。

youdao

He speaks very definitely, and I hope he ACTS definitely too.

他说话很明确，我希望他行动也明确。

youdao

"This political uncertainty will definitely have a very adverse impact on the tourism sector."

VOA: standard.2010.03.27

Very definitely a treat, you know, it's fun.

真的很有趣。

旧金山的时尚达人 - SpeakingMax英语口语达人

It seems like a very Christmassy place. It's definitely a place that you would go to, you know, spoil a kid.

它看起来很像个充满圣诞气氛的地方。这个地方你绝对愿意去，好宠宠一个小孩。

小心超额消费 - SpeakingMax英语口语达人

But I would very definitely suspect that the one is in part causing the other.

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As you can see the technical view is that this is very definitely something different.

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There was very definitely discrimination against young women in education and employment in, say, the 1920s.

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