Intermediate (B1)
IPA: /ˈdjuːtɪfli/
KK: /ˈdjuːtɪfli/
Definition
In a way that shows a sense of duty or responsibility.
Example
She dutifully completed her chores every day without being asked.
Conversation

I always try to complete my tasks diligently at work.

That's great! It's important to be responsible.

Yeah, I feel like I should also do them dutyfully to set a good example.

Absolutely, it shows your commitment and inspires others.
Synonyms & Antonyms
Synonyms
obediently
responsibly
faithfully
Antonyms
negligently
irresponsibly
disobediently
Root Explanation
Dutifully → It is formed from "duty" (from Old French *deu*, meaning owed or due) and the suffix "-fully" (meaning in a manner full of). The word "dutifully" means in a manner that is full of duty or obligation.
Memory Tip
Think of doing something in a way that is 'full of duty' — that's what 'dutifully' means.
Visually Confused Words
undutifully
doubtfully
unpitifully
bountifully
beautifully