| futile | (adjective) unproductive of success | Synonyms: bootless, fruitless, sleeveless, vain |
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| (adjective) producing no result or effect | Synonyms: ineffectual, meaningless, otiose, unavailing |
| futilely | (adverb) in a futile and unproductive manner | - |
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| futility | (noun) uselessness as a consequence of having no practical result | - |
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| inutile | (adjective) not worth using | - |
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| inutility | (noun) the quality of having no practical use | Synonyms: unusefulness, uselessness |
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| mutilate | (verb) destroy or injure severely | Synonyms: mar |
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| (verb) damage or injure severely | Synonyms: cut up, mangle |
| (verb) alter so as to make unrecognizable | Synonyms: mangle, murder |
| mutilated | (adjective) having a part of the body crippled or disabled | Synonyms: maimed |
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| mutilation | (noun) the act of damaging the appearance or surface of something | Synonyms: defacement, disfiguration, disfigurement |
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| (noun) an injury that causes disfigurement or that deprives you of a limb or other important body part | - |
| mutilator | (noun) a person who mutilates or destroys or disfigures or cripples | Synonyms: maimer, mangler |
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| nautilus | (noun) cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions | Synonyms: chambered nautilus, pearly nautilus |
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| (noun) cephalopod mollusk of warm seas whose females have delicate papery spiral shells | Synonyms: Argonaut, Argonauta argo, paper nautilus |
| (noun) a submarine that is propelled by nuclear power | Synonyms: nuclear-powered submarine, nuclear submarine |
| overutilisation | (noun) exploitation to the point of diminishing returns | Synonyms: overexploitation, overuse, overutilization |
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| overutilization | (noun) exploitation to the point of diminishing returns | Synonyms: overexploitation, overuse, overutilisation |
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| rutile | (noun) a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium | - |
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| unmutilated | (adjective) free from physical or moral spots or stains | Synonyms: unblemished, unmarred |
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| utile | (adjective) being of use or service | Synonyms: useful |
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| utilisation | (noun) the act of using | Synonyms: employment, exercise, usage, use, utilization |
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| utilise | (verb) put into service; make work or employ for a particular purpose or for its inherent or natural purpose | Synonyms: apply, employ, use, utilize |
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| utilised | (adjective) made useful | Synonyms: employed, utilized |
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| utiliser | (noun) someone who puts to good use | Synonyms: utilizer |
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| utilitarian | (adjective) having a useful function | Synonyms: useful |
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| (adjective) having utility often to the exclusion of values | - |
| (noun) someone who believes that the value of a thing depends on its utility | - |
| utilitarianism | (noun) doctrine that the useful is the good; especially as elaborated by Jeremy Bentham and James Mill; the aim was said to be the greatest happiness for the greatest number | - |
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| utility | (adjective) used of beef; usable but inferior | Synonyms: utility-grade |
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| (adjective) capable of substituting in any of several positions on a team | Synonyms: substitute |
| (noun) the service (electric power or water or transportation) provided by a public utility | - |
| (noun) a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal | - |
| (noun) the quality of being of practical use | Synonyms: usefulness |
| (noun) (computer science) a program designed for general support of the processes of a computer | Synonyms: service program, utility program |
| (noun) a company that performs a public service; subject to government regulation | Synonyms: public-service corporation, public utility, public utility company |
| (noun) (economics) a measure that is to be maximized in any situation involving choice | - |
| utilizable | (adjective) capable of being put to a profitable or practical use | - |
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| utilization | (noun) the act of using | Synonyms: employment, exercise, usage, use, utilisation |
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| (noun) the state of having been made use of | - |
| utilize | (verb) convert (from an investment trust to a unit trust) | - |
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| (verb) put into service; make work or employ for a particular purpose or for its inherent or natural purpose | Synonyms: apply, employ, use, utilise |
| utilized | (adjective) made useful | Synonyms: employed, utilised |
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| utilizer | (noun) someone who puts to good use | Synonyms: utiliser |
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