Leftists want to limit your vocabulary so as to limit your thought and make you easier to control. They want total control. David Horowitz says it well on his masthead, "Inside every progressive is a totalitarian screaming to get out." (When a transgressive calls herself 'progressive,' you know there's a cesspool of mendacity up ahead.)
perseveration /pər-sĕv″ə-rā′shən/noun
- Uncontrollable repetition of a particular response, such as a word, phrase, or gesture, despite the absence or cessation of a stimulus, usually caused by brain injury or other organic disorder.
- The tendency to continue or repeat an act or activity after the cessation of the original stimulus.
- The act or an instance of persevering; perseverance.
The American Heritage® Dictionary of the English Language, 5th Edition • More at Wordnik