A reason or set of reasons given in support of an idea, action, or theory. The lawyer presented a compelling argument to the jury.
An exchange of diverging or opposite views, typically a heated or angry one. They had a loud argument about who should do the dishes.
A summary of the subject or plot of a literary work or play. The program included an argument of the opera for the audience to follow.
A variable in a function or procedure that is used to pass information. In the function call, the argument 'x' was set to 10.
An independent variable upon which a function depends; a value substituted into a mathematical expression. In the function f(t)=3t+2, the argument is the variable t.
In complex analysis, the angle measured in radians between the positive real axis and the line representing a complex number in the Argand plane. The complex number 1+i has an argument of π/4.
In linguistics, a constituent (such as a noun phrase) that is required or permitted by a verb and that bears a grammatical relation to it. In the sentence "She gave him a book," both "him" and "a book" are arguments of the verb "gave."