Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
the idea that you should continue to spend money on a project, product, etc. in order not to waste the money or effort you have already put into it, which may lead to bad decisions:
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
