What is thru?

thru is an informal or shortened version of the word "through." It's commonly used in casual writing, such as text messages, emails, and social media posts. While acceptable in these contexts, it's generally avoided in formal or academic writing. Using thru instead of through can make your writing seem less professional or polished. The meaning remains the same, denoting passage, movement, or visibility from one side to another, or a period of time.

Here's a breakdown: