know what is what: Idiom Meaning and Origin

What does ‘know what is what’ mean?

The idiom "know what is what" means to have a clear understanding or knowledge of a situation or topic. It implies being well-informed and aware of the essential facts or details, allowing one to make informed decisions or judgments.

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One related idiom is "know which end is up." This expression is used to describe someone who has a clear understanding of a situation or who is knowledgeable about a particular subject. When someone knows which end is up, they are able to navigate through complex or confusing circumstances with ease. This idiom highlights the importance of having a solid grasp of the relevant facts and being able to make informed decisions.

Another related idiom is "know one's shit." This phrase is used to describe someone who is extremely knowledgeable or skilled in a particular area. When someone knows their shit, they have a deep understanding of the subject matter and are able to demonstrate expertise. This idiom emphasizes the importance of being well-informed and competent in a specific field.

The idiom "know what is what" encompasses the concepts conveyed by both "know which end is up" and "know one's shit." It combines the idea of having a clear understanding of a situation with the notion of being knowledgeable and skilled in a particular area. When someone knows what is what, they are not only able to navigate through complex circumstances but also possess a deep understanding and expertise in a specific subject.

She gained knowledge and understanding through clarity and comprehension.

Understanding the context in which the idiom "know what is what" is used is essential for grasping its meaning. This idiom is often employed in conversations or texts that discuss the importance of being well-informed and capable of making sound judgments. It emphasizes the idea that having a deep understanding of a situation or subject allows individuals to distinguish between what is true and what is false, what is important and what is trivial.

The idiomatic expression "know what is what" is not limited to any specific region or social group. It is widely recognized and used in both informal and formal settings. This widespread usage suggests that the expression resonates with people from different backgrounds who recognize the value of being knowledgeable and discerning. Whether in personal relationships, business dealings, or discussions about politics and current events, the idiom "know what is what" underscores the importance of being well-informed.

When someone asserts that they "know what is what," they are affirming their expertise and the depth of their knowledge. This idiom reflects individuals' desire for certainty and integrity in their understanding of the world. However, it is important to note that the complexity of human experience often exceeds what can be fully grasped by any single individual. While the idiom captures the importance of being informed, it also acknowledges the vast amount of knowledge and understanding that remains beyond our reach.

The idiom "know what is what" is used to convey the idea of having a deep understanding or knowledge about a particular subject or situation. It emphasizes the importance of certainty, clarity, and expertise. This expression is related to the idioms "know which end is up" and "know one's shit," which also highlight the significance of being well-informed and knowledgeable. The widespread usage of the idiom "know what is what" suggests that it resonates with people from different walks of life, who recognize the value of being able to navigate through complex circumstances and possess a deep understanding of a specific subject.

Example usage

Examples of how the idiom "know what is what" can be used in a sentence:

  • After studying for hours, I finally know what is what in this complicated math textbook.
  • Cynthia has been working at the company for years and she definitely knows what is what when it comes to office politics.
  • The detective interrogated the suspect thoroughly and was able to figure out what is what during the crime.

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