dis·sert \də̇ˈsərt\intransitive verb (-ed/-ing/-s) Etymology: Latin dissertus, past participle of disserere, from dis- dis- (I) + serere to place, arrange, join together — more at series : to give a dissertation : speak at some length and in detail : discourse < I am not going to dissert on Hood's humor; I am not a fair judge — John Ruskin >