Superlative form of sublime: most sublime.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "sublimest" in a sentence
"The Greek rhetorician, Longinus, quotes from the Mosaic account of the creation what he calls the sublimest passage ever uttered: "God said, 'Let there be light,' and there was light.""
"What expert opinion had described as the sublimest ten minutes in the great pianist's greatest concerto had just begun."
"It is doubtful whether this poem, which Giudici calls the sublimest lyrical composition modern literature has produced, will stir the"