unnecessary
gb/ʌnnˈɛsɪsˌɛɹi/ us/ʌnnˈɛsɪsˌɛɹi/
B1
英语
~ 9500
义项
0 个义项
adjective
B1
property
1
not needed or required
Not needed or not required in a situation.
用法模式：
[something] is unnecessary
常见错误：
Learners sometimes say *very not necessary* instead of using 'unnecessary'. Use 'unnecessary' or 'not necessary', for example: 'This step is unnecessary' or 'This step is not necessary.' Also remember the article: say 'an unnecessary step', not 'a unnecessary step'.
近义词
needless (Very close in meaning; slightly more formal or literary.)
|
superfluous (Suggests something extra that adds no real value; more formal.)
|
redundant (Often used when something is repeated or no longer needed.)
|
avoidable (Focuses on the idea that it did not have to happen.)
反义词
necessary (Direct opposite; means needed or required.)
|
essential (Stronger than 'necessary', meaning absolutely needed.)
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required (Opposite in formal or rule-based contexts, like laws or instructions.)
搭配
unnecessary risk
|unnecessary detail
|unnecessary expense
|unnecessary delay
|totally unnecessary
|seems unnecessary
主题
daily life
|work
|planning
|core_vocabulary
例句
- Please avoid any unnecessary expenses this month.
- The report is full of unnecessary detail that makes it hard to read.
- Adding sugar is unnecessary because the fruit is already very sweet.
- There was an unnecessary delay at the airport due to poor organization.
- It's unnecessary to bring your passport for this local trip.
学习者例句
- This meeting is unnecessary because we have already decided.
- Do not take unnecessary things in your bag.
- It is unnecessary to print the email.
- The extra question on the form is unnecessary.
- Wearing a coat today is unnecessary; it is very warm.
adjective
B2
property
2
unjustified or uncalled-for
Too strong or not fair in a way that is not needed and may hurt or upset someone.
用法模式：
[comment/action] is unnecessary
常见错误：
Learners may think this only means 'not needed', but in this sense it also includes a judgment that something is too strong, rude, or unfair. If you want to say this clearly, you can also use 'uncalled-for' or 'not fair' along with 'unnecessary'.
近义词
uncalled-for (Very close meaning; often used for rude or harsh remarks or actions.)
|
unwarranted (More formal; emphasizes lack of good reason or justification.)
|
gratuitous (Often used for violence or insults that are clearly not needed and feel extreme.)
|
excessive (Focuses on being too much or too strong.)
反义词
justified (Shows there was a good reason for the action or comment.)
|
warranted (Formal opposite; means there is enough reason or support for it.)
|
reasonable (Opposite in terms of fairness and level; not too strong or extreme.)
搭配
unnecessary comment
|unnecessary criticism
|unnecessary violence
|unnecessary roughness
|unnecessary drama
|quite unnecessary
主题
emotions
|conflict
|communication
|core_vocabulary
例句
- Her remark about his weight was really unnecessary.
- The police used unnecessary force to break up the protest.
- That level of criticism was unnecessary and hurtful.
- The referee penalized the player for unnecessary roughness.
- Your anger is unnecessary; it was just an honest mistake.
学习者例句
- That joke was unnecessary and made her feel bad.
- The movie has a lot of unnecessary violence.
- His comment about my family was unnecessary.
- Shouting at the waiter was unnecessary.
- The teacher said our argument was unnecessary.
语法
词典原形
unnecessary
IPA
GB/ʌnnˈɛsɪsˌɛɹi/
US/ʌnnˈɛsɪsˌɛɹi/
音节与重音
un - ne - ces - sary （4 个音节）
Stress on 2nd syllable (ne)
词形变化
Adjective
- Base: unnecessary
词族
Related words
necessarily
adverb B1
need
verb A1
Negative and opposite forms
needless
adjective B2
needlessly
adverb
Advanced or less common
necessitate
verb C1
相关表达
an unnecessary risk
1/ən ʌnnˈɛsɪsˌɛɹi ɹˈɪsk/
fixed phrase
a risk that could be avoided
A danger or chance of losing something that you do not need to take.
例句
- Driving in that storm would be an unnecessary risk.
- The manager said investing all our money in one company was an unnecessary risk.
completely unnecessary
1/kəmplˈitli ʌnnˈɛsɪsˌɛɹi/
fixed phrase
totally not needed
Used to say very strongly that something is not needed at all.
例句
- Buying a second car right now is completely unnecessary.
- That last comment was completely unnecessary and only made things worse.
unnecessary roughness
1/ʌnnˈɛsɪsˌɛɹi ɹˈʌfnəs/
fixed phrase
sports foul for extra rough contact
A rule break in some sports where a player hits or pushes another player harder than is needed for the game.
例句
- The referee called unnecessary roughness on the defender.
- He was penalized for unnecessary roughness after knocking the quarterback to the ground late.