corruption Play nounDishonest or fraudulent conduct by those in power, typically involving bribery. SYNONYMS briberybribingcrimecriminalitycrookednessdeceitdeceptiondelinquencydishonest dealingsdishonestydouble-dealingduplicityextortionfraudfraudulencegraftjobberyknaverylawbreakingmalfeasancemalversationmisconductmisfeasancepalm-greasingpayolaprofiteeringshadinesssleazesubornationunscrupulousnessvenalityvillainywrongdoing