perseveration
1. [ noun ] the tendency for a memory or idea to persist or recur without any apparent stimulus for it
Related terms: inclination persevere
2. [ noun ] the act of persisting or persevering; continuing or repeating behavior
Synonyms: persistence perseverance
Examples:

"his perseveration continued to the point where it was no longer appropriate"

Related terms: continuance persevere perseverate
Similar spelling:   perseverate
  perseverance
  perspiration
  persevering
  perseveringly