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Unknown

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Merriam-Webster's Collegiate Dictionaryun·known I \-ˈnōn\ adjective DATE 14th century : not known or not well-known; also : having an unknown value an unknown quantity II noun DATE 1597 1. one that is not known or not well-known; especially : a person who is little known (as to the public)2. something that requires discovery, identification, or clarification: as a. a symbol (as x, y, or z) in a mathematical equation representing an unknown quantity b. a specimen (as of bacteria or mixed chemicals) required to be identified as an exercise in appropriate laboratory techniques English Etymologyunknown unknown (adj.) c.1300, "strange, unfamiliar" (of persons, places), from un- (1) "not" + pp. of know. Cf. O.E. ungecnawen. In ref. to facts, attested from early 14c. The noun meaning "unknown person" is recorded from 1590s. Oxford Collocations Dictionary for Students of EnglishOxford Collocations dictionary for students of Englishunknown noun 1 place/thing that you know nothing about ADJ. great What the weather will be like on the day is, as always, the great unknown. PREP. into the ~ Motherhood was for her a journey into the unknown. PHRASES fear of the unknown 2 sb who is not well known ADJ. complete The championship was won by a complete unknown. | virtual a cast of virtual unknowns Oxford Collocations dictionary for students of Englishunknown adj. VERBS be | remain These sites remain largely unknown to the British public. ADV. absolutely, completely, entirely, quite, totally, utterly His whereabouts were quite unknown during this period. | almost, practically, virtually This drug was practically unknown in Britain. | largely | comparatively, relatively She was then still comparatively unknown. | as yet, currently, still | hitherto, previously a period of democratic development previously unknown in their country | apparently | otherwise He cites the works of two otherwise unknown authors, the originals of these works having been lost. PREP. to Gold was totally unknown to their civilization. Oxford Advanced Learner's Dictionary-牛津双解-OALD7☞ unknownun·known / 7Qn5nEun; NAmE -5noun / adjective1. ~ (to sb) not known or identified 未知的；不详的；未被确认的: a species of insect previously unknown to science 科学上以前尚未了解的一种昆虫 He was trying, for some unknown reason, to count the stars. 不知何故,他试图数星星。 The man's identity remains unknown. 这名男子的身分还是个谜。 2. (of people 人) not famous or well known 不出名的；无名的: an unknown actor 没有名气的演员 The author is virtually unknown outside Poland. 在波兰以外,这位作者实际上鲜为人知。 3. never happening or existing 从未发生的；从不存在的: The disease is as yet unknown in Europe (= there have been no cases there). 这种疾病至今尚未在欧洲出现过。 It was not unknown for people to have to wait several hours (= it happened sometimes). 人们得等几个小时的事时有发生。 IDIOMS ▪ an 7unknown 'quantity a person or thing whose qualities or abilities are not yet known 未知数(指尚不清楚,有待证实的人或事物)▪ unknown to sb without the person mentioned being aware of it …尚不知道；把…蒙在鼓里: Unknown to me, he had already signed the agreement. 他背着我已签了协议。 noun1. the unknown [sing.] places or things that are not known about 未知的地方(或事物): a journey into the unknown 探险之旅 a fear of the unknown 对未知事物的恐惧 2. [C] a person who is not well known 无名者；不出名的人: A young unknown played the leading role. 演主角的是一个名不见经传的年轻人。 3. [C] a fact or an influence that is not known 不明的情况；未知的因素: There are so many unknowns in the proposal. 这项提案中的未知数太多了。 4. [C] (mathematics 数) a quantity that does not have a known value 未知数；未知量: X and Y in the equation are both unknowns. 等式中的 X 和 Y 都是未知数。 OLTunknown noun⇨ strange 2Webster's Third New International Dictionary, UnabridgedSearch result show the entry is found in: unknown quantity , or unknown soldierun·knownI. \“+\ adjectiveEtymology: Middle English unknowen, unknawen, from un- (I) + knowen, knawen known — more at known1. : not known: as a. : strange, unfamiliar b. : not apprehended : not ascertained c. : incalculable, inexpressible d. : lacking an established or normal status : having no formal recognition < unknown to the court >2. obsolete : not knowing : ignorant• un·known·ness noun -esII. noun1. : one that is unknown: as a. : an unknown or unidentified person — usually used with the < the fair unknown > b. : a thing, state, or region that is unknown or imperfectly known or defined < left to seek his fortune in the western unknown > < this unknown may alter our plans >2. : something requiring to be discovered, identified, or made clear; especially : a letter or other symbol in a mathematical equation representing a number that is to be found and often consisting of one of the last letters of the alphabet — see unknown quantity

Unknown Unknown Not Noun A Unknown. Person Adjective