1. false, untrustworthy. Corrupt, dishonest, venal apply to one, especially in public office, who acts on mercenary motives, without regard to honor, right, or justice. A corrupt politician is one originally honest who has succumbed to temptation and begun questionable practices. A dishonest politician is one lacking native integrity. A venal politician is one so totally debased as to sell patronage. 3, 4. contaminated. 4, 5. putrescent, rotten, spoiled. 6. demoralize, bribe. 7. debase, vitiate. 10. contaminate, pollute, spoil, defile. 11. putrefy.