Wiktionary
vividest
a. (en-superlative of: vivid)
Usage examples of "vividest".
It was some years before the Boyesen summer, which was the fourth or fifth of our life in Cambridge, that I made the acquaintance of a man, very much my senior, who remains one of the vividest personalities in my recollection.
Roseate or sombre your humour as you patrol the reefs, it is liable to be changed in a flash into clashing tints by inadvertent contact with a warty ghoul of a sea-urchin, a single one of whose agonising spines never fails to bring you face to face with one of the vividest realities of life.