I know perfectly

USAGE SUMMARY

"I know perfectly" is a correct and usable phrase in written English.
You can use it to emphasize that you understand something completely, or that you are confident in your knowledge. For example, you might say, "I know perfectly that we need to submit our report by Thursday."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

40 human-written examples

"I know perfectly the consequences," she told me, through Alain.

The New Yorker

'I know perfectly well who you are,' said Douglas.

The Guardian - Arts

You and I know perfectly well that I.M.F.

The New Yorker

"I know perfectly well you wouldn't eat sweet-potato stalks and pumpkin leaves by choice!

The New Yorker

"I know perfectly well that they are organizing themselves," she said.

The New York Times - Sports

He was unrepentant: "I know perfectly well there is absolutely no excuse for this," he wrote.

The Guardian

Human-verified similar examples from authoritative sources

Similar Expressions

18 human-written examples

I observed myself with surprise, though I knew perfectly well what was happening.

The New Yorker

I thought I knew perfectly well what it meant to be rich in New York.

The New York Times

I knew perfectly well that none of us was a true "folk" artist.

The New Yorker

I knew perfectly well that I was not in the wilderness.

The New York Times - Arts

I knew perfectly well how it had happened, he had foretold it too many times.

The New Yorker

Expert writing Tips

Best practice

Use "I know perfectly" to emphasize your confidence or certainty about a piece of information, particularly when addressing potential doubts or misunderstandings. For example: "I know perfectly well the risks involved, but I still choose to proceed."

Common error

While "I know perfectly" is grammatically correct, overuse in casual conversation can sound overly assertive or even condescending. Opt for simpler alternatives like "I know" or "I understand" in less formal settings.

Linguistic Context

The phrase "I know perfectly" functions as a declarative statement expressing certainty or complete understanding. It adds emphasis to the speaker's knowledge, as demonstrated by Ludwig's examples where individuals assert their awareness of consequences or situations.

Expression frequency: Common

Frequent in

News & Media

75%

Science

15%

Formal & Business

5%

Less common in

Academia

2%

Reference

2%

Wiki

1%

Ludwig's WRAP-UP

In summary, "I know perfectly" is a grammatically sound and usable phrase that adds emphasis to one's understanding or awareness. Ludwig AI confirms its correctness and its utility in conveying certainty. While it's commonly found in news and media contexts and suitable for formal settings, its assertive tone should be considered in informal conversations. Alternatives like "I am fully aware" or "I completely understand" may provide a softer approach depending on the situation. When used thoughtfully, "I know perfectly" can be a powerful tool for clear and confident communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I am fully aware

Replaces "know perfectly" with "fully aware", emphasizing complete awareness.

I completely understand

Substitutes "know perfectly" with "completely understand", focusing on comprehension.

I am well aware

Uses "well aware" instead of "know perfectly", indicating a strong level of awareness.

I am acutely aware

Replaces "know perfectly" with "acutely aware", highlighting a keen sense of awareness.

I deeply comprehend

Replaces "know perfectly" with "deeply comprehend", suggesting a profound understanding.

I am thoroughly cognizant

Uses "thoroughly cognizant" instead of "know perfectly", indicating comprehensive knowledge.

I am entirely conscious

Replaces "know perfectly" with "entirely conscious", focusing on complete awareness and mindfulness.

I have a complete grasp

Substitutes "know perfectly" with "have a complete grasp", emphasizing a firm understanding.

I fully appreciate

Replaces "know perfectly" with "fully appreciate", indicating a complete understanding and value of something.

I am perfectly clear

Replaces "know perfectly" with "perfectly clear", focusing on the speaker's state of mind, instead of the thing known.

FAQs

How can I use "I know perfectly" in a sentence?

Use "I know perfectly" to emphasize your complete understanding or awareness of something. For instance, "I know perfectly what the consequences are."

What phrases can I use instead of "I know perfectly"?

Alternatives include "I am fully aware", "I completely understand", or "I am well aware", depending on the context and desired level of emphasis.

Is "I know perfectly" formal or informal?

"I know perfectly" is suitable for both formal and neutral contexts, but it can sound somewhat assertive. In very informal settings, consider using simpler alternatives.

What's the difference between "I know perfectly" and "I know well"?

"I know perfectly" emphasizes complete and certain knowledge, whereas "I know well" suggests familiarity and good understanding without necessarily implying absolute certainty.