Semantics is the linguistic and philosophical study of meaning in language. Look up semantics in Wiktionary, the free dictionary. Semantics may also refer to: Semantics (computer science), the mathematical study of the meaning of programming languages Semantics of logic, the study of the interpretations of formal and natural languages Semantics (psychology), the study of meaning within psychology Semantics (Lyons book), book by Sir John Lyons Semantics (Saeed book), book by John I. Saeed Semantics: the Study of Meaning, book by Geoffrey Leech This disambiguation page lists articles associated with the title Semantics.If an internal link led you here, you may wish to change the link to point directly to the intended article.