undesirable

Word family  noun desirability desire adjective desirable ≠ undesirable desired ≠ undesired verb desire adverb desirably

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++un·de·sir·a·ble1 /ˌʌndɪˈzaɪərəbəl◂ $ -ˈzaɪr-/ ●○○ adjective formal  WANT#something or someone that is undesirable is not welcome or wanted because they may affect a situation or person in a bad way 不受欢迎的；不合意的；讨厌的undesirable effects/consequences etc The drug may have other undesirable effects. 这种药可能会有其他负作用。 punishment of undesirable behaviour 对不良行为的惩罚► see thesaurus at bad

Examples from the Corpus

undesirable• All of these potential outcomes are extremely undesirable.• I still remain of the view that that would be undesirable.• If the firm has a short-term or cyclical need for funds, a long-term obligation may be highly undesirable.• Many tried to make themselves deeply undesirable.• Even in situations of hardship, government action is undesirable because it can undermine individual initiative and independence.• The reward has gone and consequently the undesirable behaviour may diminish or cease.• The incident could have undesirable consequences for the government.• Environmentalists claim that the development will have undesirable effects on animal habitats in the area.• Rent control laws can have a number of undesirable effects.• Mutual cooperation was undesirable from the generals' point of view, because it wasn't helping them to win the war.• The drug is effective, but has undesirable side effects, and long-term use can result in liver damage.• There is no telling how fast an undesirable wife can be shot out the door.undesirable effects/consequences etc• Chlorinated phenols: Phenol agents are generally unsuitable for food use as they exhibit high odour characteristics and other undesirable effects.• Past introductions of new species into a strange environment have sometimes had unforseen and undesirable consequences.• Some drugs are useful agents in the treatment of disease in man and animals but some may also produce undesirable effects.• It also considers the factors which cause undesirable consequences and suggests policy decisions and design methods for controlling these factors.• The undesirable effects of inflation are considered in greater detail Chapter 27.

Related topics: Crime

undesirable2 noun [countable usually plural]  SCCBAD PERSONsomeone who is considered to be immoral, criminal, or socially unacceptable 不良分子；不受欢迎的人 security measures to keep out undesirables 阻止不良分子进入的保安措施

Examples from the Corpus

undesirable• She, like many others, is on a list of undesirables collated by police intelligence in several different countries.• The investigations are intended to prevent spies, criminals, security risks and other undesirables from entering government.• How could she go around with such undesirables?

un·de·sir·a·ble1 adjectiveundesirable2 nounChineseSyllable  

someone undesirable is is or or something welcome that Corpus not wanted

undesirable

I

un‧de‧sir‧a‧ble¹ /ˌʌndɪˈzaɪərəbəl◂ $ -ˈzaɪr-/ adjective formalsomething or someone that is undesirable is not welcome or wanted because they may affect a situation or person in a bad way
    undesirable effects/consequences etc
    The drug may have other undesirable effects.
    punishment of undesirable behaviour
     

THESAURUS

   ▪ bad not good: a bad idea | His behaviour is getting worse.
   ▪ poor not as good as it could be or should be: A poor diet can lead to ill health. | his poor performance at school
   ▪ not very good not good – often used instead of saying directly that something was ‘bad’, especially when you were disappointed by it: The film wasn’t very good.
   ▪ disappointing not as good as you hoped or expected: Her exam results were disappointing. | a disappointing start to the campaign
   ▪ negative bad – used when talking about the bad result or effect of something: All the publicity had a negative impact on sales. | the negative effects of climate change
   ▪ undesirable formal bad and not wanted: The policy had some undesirable consequences. | drug abuse and other undesirable behaviour
   ▪ unfavourable formal unfavourable conditions are not good for doing something: The boat race was cancelled because of unfavourable weather.

II

undesirable² noun [countable usually plural]
someone who is considered to be immoral, criminal, or socially unacceptable:
    security measures to keep out undesirables