1 erratic | Definition of erratic

erratic

adjective
er·​rat·​ic | \ i-ˈra-tik How to pronounce erratic (audio) \

Definition of erratic

 (Entry 1 of 2)

1 : having no fixed course : wandering an erratic comet
2a : 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
3 : transported from an original resting place especially by a glacier an erratic boulder
4 archaic : nomadic

erratic

noun

Definition of erratic (Entry 2 of 2)

: one that is erratic (see erratic entry 1) especially : a boulder or block of rock transported from its original resting place especially by a glacier

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Other Words from erratic

Adjective

erratical \ i-​ˈra-​ti-​kəl How to pronounce erratical (audio) \ adjective
erratically \ i-​ˈra-​ti-​k(ə-​)lē How to pronounce erratically (audio) \ adverb
erraticism \ i-​ˈra-​tə-​ˌsi-​zəm How to pronounce erraticism (audio) \ noun

Choose the Right Synonym for erratic

Adjective

strange, singular, unique, peculiar, eccentric, erratic, odd, quaint, outlandish mean departing from what is ordinary, usual, or to be expected. strange stresses unfamiliarity and may apply to the foreign, the unnatural, the unaccountable. a journey filled with strange sights singular suggests individuality or puzzling strangeness. a singular feeling of impending disaster unique implies singularity and the fact of being without a known parallel. a career unique in the annals of science peculiar implies a marked distinctiveness. the peculiar status of America's first lady eccentric suggests a wide divergence from the usual or normal especially in behavior. the eccentric eating habits of preschoolers erratic stresses a capricious and unpredictable wandering or deviating. a friend's suddenly erratic behavior odd applies to a departure from the regular or expected. an odd sense of humor quaint suggests an old-fashioned but pleasant oddness. a quaint fishing village outlandish applies to what is uncouth, bizarre, or barbaric. outlandish fashions of the time

Did You Know?

Erratic can refer to literal "wandering". A missile that loses its guidance system may follow an erratic path, and a river with lots of twists and bends is said to have an erratic course. Erratic can also mean "inconsistent" or "irregular". So a stock market that often changes direction is said to be acting erratically; an erratic heartbeat can be cause for concern; and if your car idles erratically it may mean that something's wrong with the spark-plug wiring.

Examples of erratic in a Sentence

Adjective

My sinker has been my most erratic pitch. And when your foundation pitch is lacking, you have to go to other pitches. My sinker has been in and out, but mostly out. — Orel Hershiser, in New York Times, 9 May 1999 In winning his two-month match in Yugoslavia against Boris Spassky, 10 games to five, Bobby Fischer was erratic, which was hardly surprising considering his two-decade layoff, but there were times when he played more brilliantly than anybody could have expected. Sports Illustrated, 16 Nov. 1992 Over the centuries, in erratic ways, men have constructed a world in which they are relatively free of many kinds of threatening or harmful stimuli … — B. F. Skinner, Beyond Freedom and Dignity, (1971) 1972 so far your effort to land a summer job has been very erratic because of your erratic attendance at practice, you're in danger of being cut from the team
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Recent Examples on the Web: Adjective

The erratic passes did Carmelo Anthony zero favors; ditto for Victor Oladipo. Michael Shapiro, SI.com, "How Can Giannis Antetokounmpo Rise From MVP to Champion in 2020?," 3 Sep. 2019 But, Nevin said a lot of the multifamily market can appear erratic because hundreds of building permits can be pulled at one time for a single project. San Diego Union-Tribune, "San Diego home building continues to plummet. Biggest drop in SoCal.," 3 Sep. 2019 Congress must urgently reassert its constitutional powers before Trump's erratic behavior ruins the US and world economy and further endangers the planet both environmentally and diplomatically. Jeffrey Sachs For Cnn Business Perspectives, CNN, "Trump is smashing the rules of global trade while Congress stays silent," 28 Aug. 2019 Her confrontational run-ins with a neighbor, unwitting involvement in a Russian identity-theft ring, and generally erratic behaviors are the fault of her artistic temperament. Maya Phillips, The New Yorker, "“Where’d You Go, Bernadette” and the False Dream That Art Will Fulfill You," 22 Aug. 2019 The man’s smile vanished, replaced by strange behavior and erratic driving. Brooke Baitinger, sun-sentinel.com, "Man who chased down kidnap suspect tells how boy jumped from moving truck," 22 Aug. 2019 Red dwarfs are by far the most common stars in the Milky Way, but their planets may have a hard time holding onto an atmosphere, in part because these somewhat erratic stars subject them to powerful blasts of radiation. Daniel Clery, Science | AAAS, "This rocky ‘super-Earth’ may be a hard place for life to get a foothold," 19 Aug. 2019 Cruise missiles can fly along low, erratic paths capable of skirting those defences. The Economist, "An accident in Russia points to the risks of atomic aviation," 15 Aug. 2019 Her ability to maintain control while Kelly grew increasingly upset and erratic went viral and won her millions of fans. Robyn Merrett, PEOPLE.com, "Besties Oprah Winfrey and Gayle King Hilariously Guess the Meaning of Today's Slang Words," 13 Aug. 2019

Recent Examples on the Web: Noun

One of the biggest boulders is now enshrined at the Erratic Rock State Natural Site in McMinnville, a small state park that aims to educate visitors about these odd erratics. Jamie Hale, OregonLive.com, "Erratic Rock a small reminder of the big floods that shaped Oregon," 6 June 2017 Erratics are also found in the Columbia River Gorge. Jamie Hale, OregonLive.com, "Erratic Rock a small reminder of the big floods that shaped Oregon," 6 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'erratic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of erratic

Adjective

14th century, in the meaning defined at sense 1

Noun

circa 1623, in the meaning defined above

History and Etymology for erratic

Adjective and Noun

Middle English, from Latin erraticus, from erratus, past participle of errare — see err

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