The extent to which a resource is used for the intended purpose; the ratio of useful work to energy expended.
A one-room apartment.
The extent to which time is well used for the intended task.
The pursuit of practicality over aesthetic qualities; a concentration on facts rather than emotions or ideals.
The theory that political problems should be met with practical solutions rather than ideological ones.
The idea that beliefs are identified with the actions of a believer, and the truth of beliefs with success of those actions in securing a believer's goals; the doctrine that ideas must be looked at in terms of their practical effects and consequences.
The habit of interfering in other people's affairs; meddlesomeness.