ERRATIC Synonyms: 231 Similar and Opposite Words

Q: How is the word 'erratic' distinct from other similar adjectives?

Some common synonyms of erratic are eccentric , odd , outlandish , peculiar , quaint , singular , strange , and unique . While all these words mean "departing from what is ordinary, usual, or to be expected," erratic stresses a capricious and unpredictable wandering or deviating. // a friend's suddenly erratic behavior

Q: When is 'eccentric' a more appropriate choice than 'erratic'?

The words eccentric and erratic are synonyms, but do differ in nuance. Specifically, eccentric suggests a wide divergence from the usual or normal especially in behavior. // the eccentric eating habits of preschoolers

Q: When can 'odd' be used instead of 'erratic'?

The meanings of odd and erratic largely overlap; however, odd applies to a departure from the regular or expected. // an odd sense of humor

Q: When could 'outlandish' be used to replace 'erratic'?

The words outlandish and erratic can be used in similar contexts, but outlandish applies to what is uncouth, bizarre, or barbaric. // outlandish fashions of the time

Q: Where would 'peculiar' be a reasonable alternative to 'erratic'?

Although the words peculiar and erratic have much in common, peculiar implies a marked distinctiveness. // the peculiar status of America's first lady

Q: In what contexts can 'quaint' take the place of 'erratic'?

While in some cases nearly identical to erratic , quaint suggests an old-fashioned but pleasant oddness. // a quaint fishing village

Q: When might 'singular' be a better fit than 'erratic'?

In some situations, the words singular and erratic are roughly equivalent. However, singular suggests individuality or puzzling strangeness. // a singular feeling of impending disaster

Q: When would 'strange' be a good substitute for 'erratic'?

While the synonyms strange and erratic are close in meaning, strange stresses unfamiliarity and may apply to the foreign, the unnatural, the unaccountable. // a journey filled with strange sights

Q: When is it sensible to use 'unique' instead of 'erratic'?

The synonyms unique and erratic are sometimes interchangeable, but unique implies singularity and the fact of being without a known parallel. // a career unique in the annals of science

erratic

adjective

i-ˈra-tik

Definition of erratic

as in random

lacking a definite plan, purpose, or pattern so far your effort to land a summer job has been very erratic

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in sporadic

lacking in steadiness or regularity of occurrence because of your erratic attendance at practice, you're in danger of being cut from the team

Synonyms & Similar Words

Antonyms & Near Antonyms

as in changing

not staying constant business at the fast-food restaurant has been so erratic lately that the manager never knows how much staff to have on hand

Synonyms & Similar Words

Antonyms & Near Antonyms

as in bizarre

different from the ordinary in a way that causes curiosity or suspicion the animal's erratic behavior made her wonder if it was ill

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How is the word erratic distinct from other similar adjectives?

Some common synonyms of erratic are eccentric, odd, outlandish, peculiar, quaint, singular, strange, and unique. While all these words mean "departing from what is ordinary, usual, or to be expected," erratic stresses a capricious and unpredictable wandering or deviating.

a friend's suddenly erratic behavior

When is eccentric a more appropriate choice than erratic?

The words eccentric and erratic are synonyms, but do differ in nuance. Specifically, eccentric suggests a wide divergence from the usual or normal especially in behavior.

the eccentric eating habits of preschoolers

When can odd be used instead of erratic?

The meanings of odd and erratic largely overlap; however, odd applies to a departure from the regular or expected.

an odd sense of humor

When could outlandish be used to replace erratic?

The words outlandish and erratic can be used in similar contexts, but outlandish applies to what is uncouth, bizarre, or barbaric.

outlandish fashions of the time

Where would peculiar be a reasonable alternative to erratic?

Although the words peculiar and erratic have much in common, peculiar implies a marked distinctiveness.

the peculiar status of America's first lady

In what contexts can quaint take the place of erratic?

While in some cases nearly identical to erratic, quaint suggests an old-fashioned but pleasant oddness.

a quaint fishing village

When might singular be a better fit than erratic?

In some situations, the words singular and erratic are roughly equivalent. However, singular suggests individuality or puzzling strangeness.

a singular feeling of impending disaster

When would strange be a good substitute for erratic?

While the synonyms strange and erratic are close in meaning, strange stresses unfamiliarity and may apply to the foreign, the unnatural, the unaccountable.

a journey filled with strange sights

When is it sensible to use unique instead of erratic?

The synonyms unique and erratic are sometimes interchangeable, but unique implies singularity and the fact of being without a known parallel.

a career unique in the annals of science

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of erratic Somewhat diminished in the film’s erratic attempts to contextualize this ever-metastasizing sickness is Odeh himself. — David Ehrlich, IndieWire, 30 Oct. 2026 Active flies and erratic handwashing were some of the most consistent problems among the dirty dozen South Florida restaurants comprising this week’s Sick and Shut Down List. — David J. Neal, Miami Herald, 30 Oct. 2026 Society may be returning to business as usual, but George’s erratic behavior is freaking everyone out. — The Editors, Vulture, 30 Oct. 2026 Naturally, Celebrity Traitors doesn’t involve the same life-changing promise of hundreds of thousands of pounds that can often make participants quite emotionally erratic in the civilian version. — Lily Ford, HollywoodReporter, 29 Oct. 2026 See All Example Sentences for erratic

Recent Examples of Synonyms for erratic

Adjective

The program picks a random point in space and draws a line across the entire domain.

— Mrigakshi Dixit, Interesting Engineering, 12 Nov. 2026
Searches and requests are associated with a random identifier — a long string of letters and numbers — not a user’s Apple Account.

— John Higgins, The Verge, 11 Nov. 2026

Definition of random

Adjective

Credit goes to the cast, particularly Byrne and Gleeson, for internalizing their showy character quirks to such a degree that Sam’s limp, vision impairment, and sporadic stutter — yes, also a stutter!

— Ben Travers, IndieWire, 12 Nov. 2026
McCord has had sporadic first-team reps in practice the first half of the season, according to Hafley, since Miami traded with Green Bay for him ahead of the season.

— David Furones, Sun Sentinel, 11 Nov. 2026

Definition of sporadic

Adjective

Instead, research is increasingly focused on how changing temperatures and precipitation patterns could influence their abundance, seasonal activity and ability to transmit disease.

— Kylee Rae Noel, The Conversation, 27 Oct. 2026
This might be the moment to plot a California trip with more changing leaves and less traffic.

— Los Angeles Times, Los Angeles Times, 8 Sep. 2026

Definition of changing

Adjective

Personnel limitations may have hurt both sides of the ball, but the Ravens have made some bizarre calls on offense and defense during a four-game losing streak.

— Mike Preston, Baltimore Sun, 8 Nov. 2026
In a bizarre turn of events, on Wednesday November 4th, New York City’s Queens Public Library (QPL) system, which operates 66 branches, experienced an attack on its online networks by a hacker.

— Literary Hub, Literary Hub, 6 Nov. 2026

Definition of bizarre

Adjective

In this light, Kanye West’s intermittent admiration for Hitler seems less an anomaly than an homage to a venerable tradition.

— Alex Ross, New Yorker, 12 Nov. 2026
Users experiencing continued problems may still encounter intermittent access issues as Microsoft works through its recovery process.

— Aamir Khollam, Interesting Engineering, 12 Nov. 2026

Definition of intermittent

Adjective

Talk about strange beginnings at Friday’s City Section Division I football playoff opener between Sun Valley Poly and host Marshall.

— Eric Sondheimer, Los Angeles Times, 7 Nov. 2026
And having one of those is as strange and terrifying as anything else in the universe.

— Literary Hub, Literary Hub, 6 Nov. 2026

Definition of strange

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errant

erratic

erratically

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“Erratic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/erratic. Accessed 14 Nov. 2026.

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Synonyms of erratic

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