The term "typhlotic" refers to animals or organisms that are adapted to living in complete darkness, such as cave-dwelling creatures. Synonyms for the word "typhlotic" include "troglobitic," "stygobitic," and "subterranean." The word "troglobitic" describes organisms that live solely in caves, while "stygobitic" refers to organisms that inhabit underground water systems. "Subterranean" encompasses both cave and underground water dwellers and can refer to any organism living below the surface of the earth. All these terms describe creatures that have adapted to living in a dark, secluded environment, devoid of natural light. These organisms have evolved specialized traits that allow them to survive and thrive in such extreme conditions.