Here are some ways to understand the word:
* Visual: Imagine a nail sticking out of a piece of wood. That nail is protruding.
* Physical: When you stick your tongue out, it's protruding.
* Figurative: You could say someone's "personality protrudes" if they are very noticeable or stand out from the crowd.
Examples:
* The broken tooth was protruding from his gum.
* The roof of the old building had several protruding beams.
* Her eyes were wide and protruding with excitement.
Synonyms:
* Stick out
* Extend
* Jut out
* Bulge
* Project