Underlie

To be the basis or cause of something; to lie beneath or form a foundation for. It signifies the fundamental principle, concept, or situation that supports, influences, or explains a visible or surface phenomenon. It can pertain to abstract concepts like beliefs and motivations, or more concrete elements such as geographical features or infrastructural systems, determining how something appears or functions. Examining what underlies helps reveal the core truths and mechanics of a given subject or scenario.

Underlie meaning with examples

• The study revealed that several social inequalities underlie the healthcare disparities observed within the community. Poverty, access to transportation, and lack of insurance were key contributing factors to this phenomenon.
• A complex network of geological formations **underlies** the entire city; earthquakes are a constant concern for the city's infrastructure because of these underground pressures and faults.
• The author argued that a deep-seated mistrust of institutions **underlies** the current political climate; historical factors such as governmental corruption have had far reaching negative effects.
• The desire for creative expression and self-discovery **underlies** many artists' decision to pursue their craft; their inner feelings drive the artwork produced.
• Careful investigation suggested that unresolved trauma **underlies** the patient's sudden and drastic changes in behavior; counseling became a cornerstone of their rehabilitation.