say it: uhn-ik-SPEK-tid-lee
unexpectedly is an adverb meaning "in a way that was not expected". It carries 2 recorded senses.
in a way that was not expected
“her brother showed up at the wedding out of the blue”
Definitions, synonyms and semantic relations for unexpectedly 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.