Shallow/ˈʃæləʊ/ Definition 1 of 4Pro Tip 1/3Relative Depth Use 'shallow' to compare depth, especially with things usually deeper. The kids' pool is shallower than the adult one. Pro Tip 2/3Physical Safety 'Shallow' often indicates a safer area in bodies of water for non-swimmers. Stay in the shallow part of the lake where you can stand. Pro Tip 3/3Negative Connotation In some contexts, 'shallow' can suggest a negative lack of substance or complexity. People avoid the shallow end of the conversation.