The definition of basest is having the least morals or being of the lowest class.
An example of basest used as an adjective is in the phrase "the basest character in the play" which means the most corrupt character in the play.
- When thousands after thousands are dragooned out of their country for the sake of their religion, or sent to row in the galleys for selling salt against law, - when the liberty of every individual is at the mercy of every prostitute, pimp or parasite that has access to power or any of its basest substitutes, - my mind, I own, is not at once prepared to be satisfied with gentle palliatives for such disorders" (Francis to Burke, November 3, 1790).
- His successors proved themselves the basest of men.
- They occupy, in fact, an intermediate stage of de gradation between the comparatively well-to-do tribes in the tributary states (the stronghold and home of the race), and the Pans, Bauris, Kandras and other semi-aboriginal peoples on the lowlands, who rank as the basest castes of the Hindu community.
- His successes were won not only by military and political ability, but also by the most absolute unscrupulousness, neither flagrant perjury nor the basest treachery being disdained.
- To unravel plots and weave counterplots; to meet treachery with fraud; to parry force with sleights of hand; to credit human nature with the basest motives, while the blackest crimes were contemplated with cold enthusiasm for their cleverness, was reckoned then the height of political sagacity.