Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
pre-eminently is an adverb meaning "to a preeminent degree; with superiority or distinction above others; in a preeminent manner". It carries one recorded sense.
to a preeminent degree; with superiority or distinction above others; in a preeminent manner
“a wide variety of pre-eminently contemporary scenes”
Definitions, synonyms and semantic relations for pre-eminently come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.