Lexicology is the branch of linguistics that studies words, their meanings, and their relationships within a language. It examines how words are formed, their origins, and how they evolve over time. Lexicologists analyze vocabulary to understand how language reflects culture and society. In addition to word meanings, lexicology also explores concepts like synonyms, antonyms, and homonyms. It plays a crucial role in creating dictionaries, which serve as essential resources for language learners and researchers. By studying lexicology, we gain insights into communication and the complexities of human language.