- The definition of an independent variable is a factor that does not change in value based on other factors.
An example of an independent variable is a temperature that stays constant during a science experiment.
Math. a variable whose value may be determined freely without reference to other variables
- Mathematics A variable whose value determines the value of other variables.
- Statistics A manipulated variable in an experiment or study whose presence or degree determines the change in the dependent variable.
(plural independent variables)