In terms of depth:
* Deep: This is the most straightforward opposite, referring to physical or metaphorical depth.
* Profound: This emphasizes intellectual or emotional depth.
* Substantial: This implies a significant amount of content or meaning.
In terms of personality:
* Insightful: This describes someone who understands things deeply and sees beyond the surface.
* Thoughtful: This implies a person who considers things carefully and with depth.
* Genuine: This describes someone who is sincere and authentic, not superficial.
* Meaningful: This describes someone who values depth and substance in their relationships and experiences.
In terms of physical features:
* Deep: This can refer to a physical depth like a deep ocean or a deep canyon.
It's important to consider the context to choose the most appropriate opposite.