erratic

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er·rat·ic

 (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.

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

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

erratic

(ɪˈrætɪk)
adj
1. irregular in performance, behaviour, or attitude; inconsistent and unpredictable
2. having no fixed or regular course; wandering
n
3. (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 action
4. 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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.erratic - liable to sudden unpredictable changeerratic - 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"
changeful, 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"
unsettled - 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 Lancaster
undependable, unreliable - not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"

erratic

erratic

adjective
1. Without a fixed or regular course:
2. Lacking consistency or regularity in quality or performance:
Translations
مُتَقَلِّب الأطْوار، شاذ، شارِد
tilfældiguregelmæssig
reikull, óstöîugur
nepatikimasnereguliariainereguliarus
kļūdainsnepastāvīgsneregulārs
nespoľahlivý

erratic

[ɪˈrætɪk] ADJ [person] (by temperament) → imprevisible, voluble; (in performance) → irregular; [behaviour, mood] → imprevisible, variable; [movement, pattern, pulse, breathing] → irregular; [results, progress, performance] → desigual, poco uniforme
police officers noticed his erratic drivinglos policías notaron que conducía de modo irregular
I work erratic hourstengo un horario de trabajo irregular

erratic

[ɪˈrætɪk] adj [behaviour] → fantasque, inconstant(e); [driving] → imprévisible; [course, movement, flight] → irrégulier/ière

erratic

adjunberechenbar; progress, pattern, rhythm, pulse, breathingungleichmäßig; performancevariabel; movementunkontrolliert; to be (very) erratic (sales, figures) → (stark) schwanken; erratic mood swingsstarke Stimmungsschwankungen pl; his erratic drivingsein unberechenbarer Fahrstil; his work is rather erraticer ist in seiner Arbeit recht wechselhaft; public transport here is very erraticdie öffentlichen Verkehrsmittel verkehren hier nur sehr unregelmäßig; we work erratic hourswir haben unregelmäßige Arbeitszeiten

erratic

[ɪˈrætɪk]
1. adj (person, conduct, opinions, mood) → incostante, imprevedibile; (results) → irregolare, discontinuo/a; (driving) → irregolare (Geol) → erratico/a
2. n (Geol) → masso erratico

erratic

(iˈrӕtik) adjective
inclined to be irregular; not dependable. His behaviour/work is erratic.
erˈratically adverb

er·rat·ic

a. errático-a, que no sigue un curso o ritmo estable.
References in classic literature ?
These elevated summits consist of rounded cones, between which the soil is bestrewn with erratic blocks of stone and gravelly bowlders.
Other astronomers have seen in these inexplicable rays a kind of moraines, rows of erratic blocks, which had been thrown up at the period of Tycho's formation.
One erratic block in all this was the great classical scholar Christian Gottlob Heyne, whose influence on the literary culture of his time was wide and deep: we await a study of Heyne from someone to whom the prolific quantity of his output (mostly in Latin) is no deterrent.