erratic

er·rat·ic

E0202100 (ĭ-răt′ĭk)adj.1. Having no fixed or regular course; wandering: the erratic flight of a moth.2. Lacking consistency, regularity, or uniformity: an erratic heartbeat.3. Deviating from the customary course in conduct or opinion; eccentric: erratic behavior.n. Geology A rock fragment that has been transported by ice to a location other than its place of origin and that may range in size from a pebble to a large boulder.

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[Middle English erratik, from Old French erratique, from Latin errāticus, from errāre, to wander; see ers- in Indo-European roots.]

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er·rat′i·cal·ly adv.er·rat′i·cism (-ĭ-sĭz′əm) n.

erratic

(ɪˈrætɪk) adj1. irregular in performance, behaviour, or attitude; inconsistent and unpredictable2. having no fixed or regular course; wanderingn3. (Geological Science) a piece of rock that differs in composition, shape, etc, from the rock surrounding it, having been transported from its place of origin, esp by glacial action4. an erratic person or thing[C14: from Latin errāticus, from errāre to wander, err] erˈratically adv

er•rat•ic

(ɪˈræt ɪk)

adj. 1. inconsistent or changeable in behavior; unpredictable. 2. deviating from the usual or proper course; eccentric. 3. having no certain or definite course; wandering; not fixed. 4. (of a boulder, etc.) carried by glacial ice and deposited some distance from its place of origin. n. 5. an erratic or eccentric person. 6. an erratic boulder or the like. [1325–75; Middle English < Latin errāticus=errā(re) to wander, err + -ticus adj. suffix] er•rat′i•cal•ly, adv. er•rat′i•cism, n.

Thesaurus

Adj.	1.	erratic - liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next"mercurial, quicksilver, ficklechangeful, changeable - such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices"
	2.	erratic - having no fixed course; "an erratic comet"; "his life followed a wandering course"; "a planetary vagabond"planetary, wanderingunsettled - not settled or established; "an unsettled lifestyle"
	3.	erratic - likely to perform unpredictably; "erratic winds are the bane of a sailor"; "a temperamental motor; sometimes it would start and sometimes it wouldn't"; "that beautiful but temperamental instrument the flute"- Osbert Lancastertemperamentalundependable, unreliable - not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"

erratic

adjective unpredictable, variable, unstable, irregular, shifting, eccentric, abnormal, inconsistent, uneven, unreliable, wayward, capricious, desultory, changeable, aberrant, fitful, inconstant Argentina's erratic inflation rates
certain, natural, straight, normal, regular, stable, constant, steady, consistent, reliable, predictable, dependable, unchanging, invariable, undeviating

erratic

adjective1. Without a fixed or regular course:devious, stray, wandering.2. Lacking consistency or regularity in quality or performance:inconsistent, patchy, spotty, uneven, unsteady, variable.3. Following no predictable pattern:capricious, changeable, fantastic, fantastical, fickle, freakish, inconsistent, inconstant, mercurial, temperamental, ticklish, uncertain, unpredictable, unstable, unsteady, variable, volatile, whimsical.4. Deviating from the customary:bizarre, cranky, curious, eccentric, freakish, idiosyncratic, odd, outlandish, peculiar, quaint, queer, quirky, singular, strange, unnatural, unusual, weird.Slang: kooky, screwball.British Slang: rum, rummy.

Translations

不稳定的反复无常的

erratic

(iˈrӕtik) adjective inclined to be irregular; not dependable. His behaviour/work is erratic. 不規律的, 不穩定的 反复无常的，不稳定的 erˈratically adverb 不穩定地，不規律地 反复无常地