Hardscrabble
Part of speech: adjective
Definition: Of or pertaining to land that takes a lot of work in order to farm and even then is not very productive.
Marginal
Part of speech: noun
Definition: Something that is marginal.Especially a constituency with a small winning margin.
Part of speech: adjective
Definition: of, relating to, or located at a margin or an edgegeographically adjacentwritten in the margin of a bookat the lower extent of a standardof land that is barely productiveof an electoral district (such as a parliamentary constituency) where the winning margin was a small proportion of the total number of votes, so that only a small change in voting behaviour is necessary to alter the outcome of an election.
Example sentence: I can't imagine an argument that says that raising marginal tax rates on high income people, many of whom are business owners, is a recipe for economic growth.