How do you use the word improper in a sentence?

Here are some examples of how to use the word "improper" in a sentence:

* Formal: "The student's behavior was deemed improper and resulted in a suspension."

* Informal: "It's improper to interrupt someone while they're speaking."

* Descriptive: "The improper disposal of chemicals led to environmental damage."

* With a specific noun: "The use of profanity is considered improper in this setting."

* With a negative connotation: "The improper handling of the situation created a lot of tension."

Let me know if you'd like more examples or would like to explore specific contexts for using "improper"!