Lexical semantics is the study of how words convey meaning and how their meanings can change in different contexts. It looks at the relationships between words, such as synonyms, antonyms, and homonyms, as well as how meanings can be built from smaller units of meaning called morphemes. This field is closely linked to compositional semantics, which focuses on how larger phrases and sentences are constructed from individual word meanings, and it also interacts with branches of linguistics that analyze structure and meaning.
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