say it: DOO-tee-fuh-lee
dutifully is an adverb meaning "out of a sense of duty; in a dutiful manner". It carries one recorded sense.
out of a sense of duty; in a dutiful manner
“he dutifully visited his mother every Sunday”
Definitions, synonyms and semantic relations for dutifully 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.