unnecessary
/ʌnˈnesəseri/
Part of Speech: adjective
EN
Not needed or essential; serving no useful purpose.
Bringing an umbrella was unnecessary since the weather forecast promised sunshine all day.
Etymology
Formed in the 16th century by combining the prefix un- (meaning "not") with necessary, which derives from Latin necessarius meaning "essential, indispensable".
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Quick answers
What does unnecessary mean?
unnecessary means: Not needed or essential; serving no useful purpose.
How do you pronounce unnecessary?
unnecessary: /ʌnˈnesəseri/
How is unnecessary used in a sentence?
Bringing an umbrella was unnecessary since the weather forecast promised sunshine all day.