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Merriam-Webster's Collegiate Dictionary er·rat·ic
ETYMOLOGY Middle English, from Latin erraticus, from erratus,past participle of errare DATE 14th century 1. a. having no fixed course : wandering an erratic comet b. archaic : nomadic 2. transported from an original resting place especially by a glacier an erratic boulder 3. a. characterized by lack of consistency, regularity, or uniformity erratic dieting keeps erratic hours b. deviating from what is ordinary or standard : eccentric an erratic genius Synonyms: see strange
noun DATE circa 1623 : one that is erratic; especially : an erratic boulder or block of rock English Etymology erratic late 14c., from O.Fr . erratiquem from L. erraticus, from erratum, pp. of errare "to wander, err" (see err). Sense of "irregular, eccentric" is 1816.http://O.Fr Oxford Advanced Learner's Dictionary-牛津双解-OALD7 erratic er·rat·ic / i5rAtik / adjective (often disapproving) not happening at regular times; not following any plan or regular pattern; that you cannot rely on SYN unpredictable
不规则的；不确定的；不稳定的；不可靠的: The electricity supply here is quite erratic. 这里的电力供应相当不稳定。 She had learnt to live with his sudden changes of mood and erratic behaviour. 她已经学会适应他那变幻莫测的情绪和难以捉摸的行为。 Mary is a gifted but erratic player (= she does not always play well). 玛丽是一名有天赋的运动员,但发挥不太稳定。 • er·rat·ic·al·ly / -kli / adv.: He was obviously upset and was driving erratically. 他显然心烦意乱,开起车来摇晃不定。 noun (also er7ratic 'block,er7ratic 'boulder) (geology 地) a large rock that is different from the rock around and was left behind when a large mass of ice melted 漂砾；漂石 Oxford Collocations Dictionary for Students of English erratic adj. VERBS be, seem | become | remain ADV. extremely, very, wildly | completely | increasingly her increasingly erratic behaviour | fairly, a little, rather, slightly, somewhat Webster's Third New International Dictionary, Unabridged er·rat·ic I. \ə̇ˈrad.]ik, (ˈ)e|r-, ēˈr-, -at], ]ēk\ adjective also er·rat·i·cal \]ə̇kəl, ]ēk-\ Etymology: erratic from Middle English erratik, from Middle French or Latin; Middle French erratique, from Latin erraticus, from erratus (past participle of errare to wander, err) + -icus -ic; erratical from erratic + -al — more at err 1. a. : having no fixed course : wandering < an erratic comet > b. archaic : having no fixed residence : nomadic < those savages although erratic must remain long enough in one position to cultivate this grain — Z.M.Pike > 2. : transported by a glacier from an original resting place < erratic boulder > < erratic block > 3. a. : characterized by lack of consistency, regularity, or uniformity : unpredictable , capricious < erratic as an unroped steer — New Republic > : fluctuating < the hog market was erratic but pork remained steady > : uneven < the pitcher showed erratic control, throwing too many wild pitches > specifically : marked by irregular changes of direction < the erratic course of the river > < streets that run at erratic angles > b. : deviating from what is ordinary or standard (as in nature, behavior, or opinion) : odd , eccentric < the key to the code was the erratic punctuation > < he must have been … scandalously erratic from the Puritan point of view — American Guide Series: Massachusetts > Synonyms: see strange II. noun (-s) : one that is erratic < we have erratics, unscholarly foolish persons — Joseph Cook > specifically : an erratic boulder or block of rock |
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