Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
eccentrically is an adverb meaning "in an eccentric or bizarre manner". It carries 2 recorded senses.
in an eccentric or bizarre manner
not symmetrically with respect to the center
Definitions, synonyms and semantic relations for eccentrically come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.