单词	impracticality
释义	impracticalim‧prac‧ti‧cal /ɪmˈpræktɪkəl/ adjective Examples EXAMPLES FROM OTHER DICTIONARIES It would be impractical to attempt to review all the types of multimedia technology in this study. Officials stated that building a dam for irrigation purposes was hopelessly impractical. Ritter plans to tear down the building, saying restoration would be impractical. Short skirts are impractical if you want to sit down once in awhile. Telling people to avoid any exposure to the sun is impractical advice. EXAMPLES FROM THE CORPUS But all the goals were wildly impractical and none were achieved. Here on the dang strict purdah is impractical and everyone understands this, brothers-in-law included. In circumstances when words are inappropriate or impractical, the apology may take the form of an elaborate pantomime of contrition. Many tasks will require millions or even billions of nanomachines to achieve results, and manually constructing each one is utterly impractical. Not withstanding that recognition, he decided it was impractical to break them into more than two pieces. Silk is always wonderful too, if totally impractical. To some, the initiative and referenda have proliferated to the point that they already have become onerous and impractical. Thesaurus THESAURUS► impossible something that is impossible cannot happen or be done: · It’s impossible to get a taxi around here.· At times, finding a job felt like an impossible task. ► impractical something that is impractical is too expensive, takes too much time, is too difficult etc and therefore it is not sensible to try to do it: · It’s a nice idea, but it’s totally impractical.· We cannot all just stop using our cars - that would be completely impractical.· an impractical suggestion ► out of the question used when saying that something is completely impossible, especially because it is not allowed: · It’s out of the question for you to go alone. ► there’s no way informal used when saying that you think something is completely impossible: · There’s no way we can get to the airport in less than an hour. ► inconceivable impossible to imagine or believe: · It seemed inconceivable that there could be an end to the fighting in Northern Ireland. ► unthinkable impossible to imagine or believe – used especially about something that seems very shocking to people: · In those days it was unthinkable for a lady to work outside the home. ► unattainable impossible to achieve: · an unattainable goal· Victory seemed unattainable. ► it can’t be done spoken used when saying very definitely that something is impossible: · I’m afraid it can’t be done. Longman Language Activatorwhen something cannot be done► impossible something that is impossible cannot be done: · We're supposed to do all this work by tomorrow, but it's impossible.· It's a seemingly impossible task.it is impossible (for somebody/something) to do something: · The twins are so alike that it's impossible to tell them apart.· The street was narrow and it was impossible for the two buses to pass.make it impossible: · Her back injury has made it impossible for her to play tennis anymore.find it impossible (=discover that you cannot do something): · When people leave prison, they often find it impossible to get a job. ► not possible impossible or extremely difficult to do: · We can't buy a new computer for every student - it's just not possible.it is not possible (for somebody/something) to do something: · It is not possible, in a book of this size, to cover every aspect of the subject.· She's in a meeting, so I'm afraid it's not possible for you to see her now. ► there's no way especially spoken say this when you strongly believe that something is impossible: there's no way (that): · There's no way we can get to the airport in less than an hour.there's no way of knowing something: · There's no way of knowing when the volcano will erupt again. ► impractical an idea, suggestion, or action that is impractical is not really possible because it would cost far too much money, waste too much time, be much too difficult etc: · Officials stated that building a dam for irrigation purposes was hopelessly impractical.· Telling people to avoid any exposure to the sun is impractical advice.it is impractical to do something: · It would be impractical to attempt to review all the types of multimedia technology in this study. ► out of the question if an idea or suggestion is out of the question , it is completely impossible or it cannot be allowed: · I'd love to come with you, but with all the work I have to do it's out of the question.· The cost would be over $5000, which is quite out of the question.it's out of the question for somebody (to do something): · I'm afraid it's out of the question for you to go alone. ► can't possibly especially spoken use this in order to emphasize that you think something is impossible: · You know we can't possibly pay as much as that in rent.· That was delicious but I couldn't possibly eat another thing! ► hopeless if something that you try to do is hopeless , there is no possibility of it being successful: · Police now face the hopeless task of trying to find the bombers.it is hopeless: · "Please let me go to the party'' Ali begged her mother, but she knew it was hopeless.it is hopeless to do something: · It's hopeless to try to persuade him while he's in this mood. Let's talk to him tomorrow.a hopeless cause (=something that cannot possibly succeed): · "I do not believe that working to block the movement of cocaine into the US is a hopeless cause," McCaffrey told the panel. ► not stand a chance/not have a hope informal to not have any chance of doing what you want, for example because it is much too difficult, someone else will do it first etc: · Everyone in the town votes Republican. The Democrats don't stand a chance.· There's no point in me applying for the job. I wouldn't have a hope.not stand a chance of doing something: · "The driver of the train didn't stand a chance of stopping in time," a Railtrack spokesman said.not have a hope/have no hope of doing something: · The bank said that it will no longer lend to enterprises that have no hope of making a profit. ► impossibility something that is impossible to do: · At first they thought that building a bridge across to the island was an impossibility.· The equal division of all roles is a practical impossibility for many parents.· I was suddenly struck by the impossibility of achieving our aims. Collocations COLLOCATIONS FROM THE CORPUSADVERB► totally · Silk is always wonderful too, if totally impractical.· The complexities of a modern developed economy, however, make barter totally impractical for most purposes.· Simply putting them all into a large box is a totally impractical approach.· The unfortunate Home Secretary then receives much advice of a totally impractical nature for the solution of the problem.· It's totally impractical for them to enter their own national leagues, we all know that.· He says the designs totally impractical.· Searching this space directly would be totally impractical.· At the same time it is obvious that full enforcement of the law would be totally impractical. Word family WORD FAMILYnounpracticalpracticalitiespracticality ≠ impracticalitypracticability ≠ impracticabilityadjectivepracticable ≠ impracticablepractical ≠ impracticaladverbpractically ≠ impracticallypracticably ≠ impracticably 1not sensible or possible for practical reasons:  The road toll scheme was dismissed as impractical. James was a foolish man, full of impractical plans.► see thesaurus at impossible2not good at dealing with ordinary practical matters, such as making or repairing things:  Sandra was hopelessly impractical around the house.—impractically /-kli/ adverb—impracticality /ɪmˌpræktɪˈkæləti/ noun [uncountable]:  the sheer impracticality of collecting DNA from such a large population
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