offic
duty
Usage
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officious
An officious person acts in a self-important manner; therefore, they are very eager to offer unwanted advice or services—which makes them annoying.
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office
place of business where professional or clerical duties are performed
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officer
direct or command as an officer
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official
having official authority or sanction
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officiate
act in an official capacity in a ceremony or religious ritual, such as a wedding
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officiator
One who officiates.
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unofficial
not having official authority or sanction
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