Pronunciation: (an"tu-sēd'nt),[key] —adj. preceding; prior: an antecedent event.
—n. 1. a preceding circumstance, event, object, style, phenomenon, etc.
2. antecedents, a. ancestors.
b. the history, events, characteristics, etc., of one's earlier life: Little is known about his birth and antecedents. 3. Gram.a word, phrase, or clause, usually a substantive, that is replaced by a pronoun or other substitute later, or occasionally earlier, in the same or in another, usually subsequent, sentence. In Jane lost a glove and she can't find it, Jane is the antecedent of she and glove is the antecedent of it. 4. Math. a. the first term of a ratio; the first or third term of a proportion.
b. the first of two vectors in a dyad.
5. Logic.the conditional element in a proposition, as “Caesar conquered Gaul,” in “If Caesar conquered Gaul, he was a great general.”