unnecessary
/ʌnˈnesəsəri/ · /ʌnˈnesəseri/
CEFR level B1Topic Daily lifeWord #3084 in the learning path
不必要的；多余的
Definitions
adj. Not needed or serving no useful purpose.
不必要的；多余的
Example
Bring a light jacket, but heavy boots are unnecessary.
带一件薄外套吧，但厚靴子就没必要了。
Clear instructions can prevent unnecessary delays and help public services operate more efficiently.
清晰的指引可以避免不必要的延误，帮助公共服务更高效地运作。
Collocations
- unnecessary expense
- unnecessary stress
- avoid unnecessary delays
Word family
- necessary (adj.)
- unnecessarily (adv.)
- necessity (n.)
Synonyms
- needless
- superfluous
Antonyms
- necessary
- essential
Usage tip
表示“没必要做”可用 it is unnecessary to do。
FAQ
- What does unnecessary mean?
- Not needed or serving no useful purpose.
- How is unnecessary pronounced?
- UK /ʌnˈnesəsəri/, US /ʌnˈnesəseri/. Use the audio buttons above to listen.
