* Literal meaning: The pond was so shallow that I could touch the bottom with my feet.
* Figurative meaning: His understanding of the issue was incredibly shallow, lacking any depth or insight.
* Describing someone: She was a shallow person, only interested in superficial things like fashion and gossip.
* Describing a feeling: I felt a shallow sense of happiness, knowing it wouldn't last.
Let me know if you'd like more examples or want to explore a specific use of the word!