Wiktionary
selectest
a. (en-superlative of: select)
Usage examples of "selectest".
The Romans appear to have considered the Greeks as the selectest treasuries of the selectest forms of manners and of nature, and to have abstained from creating in measured language, sculpture, music, or architecture, anything which might bear a particular relation to their own condition, whilst it should bear a general one to the universal constitution of the world.
John Owen would have stood in the very foremost and selectest rank of apostolical and evangelical theologians.