Overview of noun rational

The noun rational has 1 sense

• rational number, rational -- (an integer or a fraction)

Overview of adj rational

The adj rational has 4 senses

• rational -- (consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought")


• intellectual, rational, noetic -- (of or associated with or requiring the use of the mind; "intellectual problems"; "the triumph of the rational over the animal side of man")


• rational -- (capable of being expressed as a quotient of integers; "rational numbers")


• rational -- (having its source in or being guided by the intellect (as distinguished from experience or emotion); "a rational analysis")