say it: in-si-DEN-tuh-lee
incidentally is an adverb meaning "introducing a different topic". It carries 2 recorded senses.
introducing a different topic
“incidentally, I won't go to the party”
of a minor or subordinate nature
“these magnificent achievements were only incidentally influenced by Oriental models”
Definitions, synonyms and semantic relations for incidentally come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.