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Crucial A  Dictionary Adjective Essential Issue The  English

Title crucial
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Merriam-Webster's Collegiate Dictionary
cru·cial

 \\ˈkrü-shəl\\ adjective
 ETYMOLOGY  French, from Latin cruc-, crux cross
 DATE  1706
1. archaic : 
cruciform
2.
  a. important or essential as resolving a crisis : 
decisive
      crucial step
  b. marked by final determination of a doubtful issue
      the crucial game of a series
  c. 
important
significant
      what use we make of them will be the crucial question — Stanley Kubrick
Synonyms: see 
acute
English Etymology
crucial
  1706, from Fr. crucial, a medical term for ligaments of the knee (which cross each other), from L. crux (gen. crucis) "cross." The meaning "decisive, critical" is extended from a logical term, Instantias Crucis, adopted by Francis Bacon (1620); the notion is of cross fingerboard signposts at forking roads, thus a requirement to choose.
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
 crucial
cru·cial 5kru:Fl / adjective    ~ (to / for sth) ~ (that ...) extremely important, because it will affect other things
   至关重要的;关键性的
   SYN  
critical
 , 
essential
 :
   crucial factor / issue / decision 
   关键性的因素/问题/决定 
   topics of crucial importance 
   至关重要的课题 
   Winning this contract is crucial to the success of the company. 
   赢得这份合同对这家公司的成败至关重要。 
   The next few weeks are going to be crucial. 
   今后几个星期是关键。 
    It is crucial that we get this right.
   我们把这个问题弄明白是极其重要的。 
   Parents play a crucial role in preparing their child for school.
   父母对孩子做好上学的准备起着至关重要的作用。 
   He wasn't there at the crucial moment (= when he was needed most).
   紧要关头他却不在那里。 
 note at 
essential
 
 cru·cial·ly -FEli / adv.:
   crucially important 
   极其重要 
Oxford Collocations Dictionary for Students of English
Oxford Collocations dictionary for students of English


crucial 
adj. 
VERBS be, prove | become | remain | consider sth, deem sth, regard sth as, see sth as 

ADV. really | absolutely It's absolutely crucial that we get this right. | fairly, quite | hardly | clearly, obviously 

PREP. for The talks are crucial for the success of the plan. | to Secrecy is crucial to this police operation. 

OLT
crucial adj.
 essential
Webster's Third New International Dictionary, Unabridged
cru·cial
\ˈkrüshəl\ adjective
Etymology: French, from Latin cruc-, crux cross + French -ial
1. archaic : characteristic of or having the form of a cross :
cruciform
cruciate
crossed
, intersecting
 < a crucial scar >
2. : important or essential as decisive or as resolving a crisis :marked by final determination of a doubtful issue
 < a crucial decision >
 < a crucial operation >
 < the crucial game of a series >
broadly : 
severe
trying
testing
 < a crucial experience >
 < a crucial moment >
Synonyms: see 
acute

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