SENILITY By N., Pam M.S. - April 13, 2013 a lay man's term for dementia associated with an older age. See pseudosenility. SENILITY: "Senility is a non-medical term for dementia of the older person." Related Psychology Terms SENILE PRIMARY DEGENERATIVE DEMENTIA SENILE DEMENTIA PSEUDODEMENTIA SUNDOWN SYNDROME SUBCORTICAL DEMENTIA SHORT PORTABLE MENTAL STATUS QUESTIONNAIRE (SPMSQ) BOXER'S DEMENTIA PROGRESSIVE SEMANTIC DEMENTIA TACRINE Cite this page: N., Pam M.S., "SENILITY," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/senility/ (accessed August 24, 2019).