What is a synonym?

A synonym is a word that means the same or nearly the same as another word. This relationship allows for flexibility in language, enabling speakers and writers to express ideas with variety and precision. For instance, "happy" and "joyful" can be used interchangeably in many contexts, illustrating how synonyms enhance vocabulary and communication. The understanding of synonyms is fundamental in language studies, as it aids in expanding one's linguistic comprehension and assists in finding nuanced ways to convey messages. Other definitions, such as a word that has an opposite meaning or a word that differs in sound but not in meaning, do not accurately capture the essence of what a synonym is.