per·sev·er·a·tion 
(pər-sĕv′ə-rāshən)
(pər-sĕv′ə-rāshən)n.
1. Psychology
a. 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.
b. The tendency to continue or repeat an act or activity after the cessation of the original stimulus.
2. The act or an instance of persevering; perseverance.
- South Seas
- South Shetland Islands
- South Shields
- South Slavic
- south-southeast
- south-southwest
- South Sudan
- South Temperate Zone
- South Vietnam
- South Vietnamese
- southward
- southwardly
- southwards
- southwest
- South-West Africa.
- South-West Africa
- southwest by south
- southwest by west
- southwester
- southwesterly
- southwestern
- southwestward
- southwestwardly
- southwestwards
- South Yemen