| 单词 | useful |
| 释义 | useful (once / 108 pages) adj If you can use something, it's useful. Useful things are handy for whatever you're doing. If something is just what you need or you just find it helpful, then it's useful. A hammer is useful in building many things. Coasters are useful if you don't want a coffee table to get stains. College degrees are useful — or necessary — for many careers. MacGyver would tell you that just about anything can be useful at some point: it all depends what you need to do. WORD FAMILYuseful: usefuler, usefulest, usefully, usefulness+/disuse: disused, disuses/misuse: misused, misuses, misusing/overuse: overused, overuses, overusing/reuse: reusable, reused, reuses, reusing/usable: unusable, usability, usableness/usage: ill-usage, usages/usance: usances/use: disuse, ill-use, misuse, overuse, reuse, usable, usage, usance, useable, used, useed, useful, useless, user, uses, using/useable: unuseable, useableness/used: ill-used, unused, useder/usefully: usefullys/usefulness: unusefulness, usefulnesss/useless: uselesser, uselessest, uselessly, uselessness/user: users/using: usings USAGE EXAMPLESCouriers may be useful if you and your intended recipient are in the same city. Washington Post(Jan 02, 2017) The IP address information alone is not useful, experts noted. Washington Post(Jan 02, 2017) The British government ranks universities on how useful their work is to industry and society, tying government grants to their assessments. New York Times(Dec 31, 2016) 1adj having a useful function Syn utilitarian functional designed for or capable of a particular function or use 2adj being of use or service the girl felt motherly and useful a useful job a useful member of society Syn|Ant utile effective, effectual, efficacious producing or capable of producing an intended result or having a striking effect expedientserving to promote your interest helpfulproviding assistance or serving a useful function profitableyielding material gain or profit serviceableready for service or able to give long service multipurposehaving multiple uses reclaimable, recyclable, reusablecapable of being used again serviceablecapable of being put to good use usable, useablecapable of being put to use utilitarianhaving utility often to the exclusion of values utilizablecapable of being put to a profitable or practical use useless having no beneficial use or incapable of functioning usefully ineffective, ineffectual, uneffectivenot producing an intended effect unprofitableproducing little or no profit or gain unserviceablenot ready for service futile, ineffectual, otiose, unavailingproducing no result or effect inutilenot worth using unserviceable, unusable, unuseablenot capable of being used |
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