Using no more of something than is necessary; efficient in terms of resource use. The new car model is very economical, consuming less fuel than its predecessors.
Inexpensive or costing little; affordable. They chose an economical hotel for their vacation to save money.
Relating to economics or the economy (archaic). The pamphlet discussed the economical reforms proposed by the minister.
Characterized by brevity and efficiency, especially in speech or writing; concise. The author's economical prose conveyed profound ideas with few words.