Etymology: Middle English, from Anglo-French, from Latin argumentum, from arguere
Date: 14th century
1obsolete: an outward sign :indication 2 a: a reason given in proof or rebuttal b: discourse intended to persuade 3 a: the act or process of arguing :argumentationb: a coherent series of statements leading from a premise to a conclusion c:quarrel, disagreement 4: an abstract or summary especially of a literary work <an argument preceded the poem> 5: the subject matter especially of a literary work 6 a: one of the independent variables upon whose value that of a function depends b: a substantive (as the direct object of a transitive verb) that is required by a predicate in grammar c:amplitude 4