1. Also: This is the most common use of "too." It indicates that something is true in addition to something else that has already been mentioned.
* Example: "I like pizza, and my brother likes pizza too."
2. Excessively: This meaning indicates that something is more than is needed or wanted.
* Example: "The music was too loud."
3. Very: This meaning is similar to "extremely" and emphasizes the intensity of something.
* Example: "I am too tired to go out tonight."
4. As well as: This meaning is similar to "also" but can be used more formally.
* Example: "She enjoys reading too as well as watching movies."
5. Used with a negative statement to mean "not enough": This usage is less common, but it can be used in specific situations.
* Example: "You didn't tell me too much." (meaning you didn't tell me enough)
To understand the meaning of "too" in a specific context, you need to pay attention to the surrounding words and the overall sentence structure.