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 Multiple companies now offer products that promise to spot the difference, with often contradictory, biased or erratic results. — T.m. Brown, CNN Money, 21 Oct. 2026 The 2018 tailspin had followed a massive momentum crescendo and reversal several months earlier, which gave way to an erratic tape that couldn't absorb what seemed at the time relatively unthreatening Federal Reserve tightening actions. — Michael Santoli, CNBC, 20 Oct. 2026 The last time father and son Gardiner saw each other was aboard Mitt’s whale-watching vessel, where Mitt’s drinking and subsequent erratic behavior led Jay to openly reject the waterman way of life his father had instilled in him since birth. — Brian Davids, HollywoodReporter, 20 Oct. 2026 Grace makes increasingly erratic decisions in the wake of her near-death experience, culminating in a move to send unauthorized war ships into British sovereign waters to prevent Russia from discovering that the Poseidon is gone. — Emma Banks, PEOPLE, 17 Oct. 2026 See All Example Sentences for erratic

Recent Examples of Synonyms for erratic

Adjective

On the way across the bay, Melanie is attacked by a random seagull, setting up the sinister plot device.

— Literary Hub, Literary Hub, 28 Oct. 2026
Davis confessed to taking mushrooms, grabbing a gun, and shooting at random people in South Beach.

— Anna McAllister, CBS News, 28 Oct. 2026

Definition of random

Adjective

In the absence of regular data, analysts and activists interested in immigration trends have relied on information obtained through lawsuits or limited and sporadic information released by federal agencies to track deportation data.

— Rebecca Santana, Los Angeles Times, 22 Oct. 2026
Only some regional operators have continued sporadic services, generally using smaller feeder vessels.

— Lee Ying Shan, CNBC, 16 Oct. 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

The cookie shops have a rotating menu of cookies with elaborate toppings, sometimes offering bizarre flavors such as everything bagel.

— Los Angeles Times, Los Angeles Times, 23 Oct. 2026
Skerritt co-starred opposite Kathy Baker, playing his doctor wife in the community of Rome, Wisconsin, a place with bizarre happenings, like having a robber leaving a trail of frogs or the pope becoming the primary witness to a murder.

— CBS News, CBS News, 22 Oct. 2026

Definition of bizarre

Adjective

People went through the admission and security checkpoints without issues, and the event’s early evening acts enjoyed mostly dry stages with light, intermittent rain.

— Isabel Rivera, Miami Herald, 18 Oct. 2026
Ohtani has been playing with a bad knee and biceps for three months, and the Dodgers already have tried intermittent rest.

— Bill Shaikin, Los Angeles Times, 14 Oct. 2026

Definition of intermittent

Adjective

The brand's signature technology combines a retinoid with lactic acid to smooth fine lines, uneven tone, and rough texture, and its AlphaRet Exfoliating Peel Pads take things a step further.

— Christa Joanna Lee, Allure, 21 Oct. 2026
These accounts often waive monthly fees without a minimum balance and offer larger transaction or cash deposit allowances, since nonprofits may see uneven cash flow tied to grant cycles and fundraising.

— Andreina Rodriguez, CNBC, 21 Oct. 2026

Definition of uneven

Adjective

After Orson’s reading from the novel, the broadcast cuts in on a weather report that is then followed by a dance music concert, but the smooth tango music is interrupted by breaking news of strange explosions on Mars.

— Encyclopedia Britannica, Encyclopedia Britannica, 23 Oct. 2026
However, a strange light phenomenon and the arrival of her physicist ex-husband pull her back into the scientific world.

— Cooper Katz McKim, NPR, 23 Oct. 2026

Definition of strange

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“Erratic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/erratic. Accessed 30 Oct. 2026.

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Synonyms of erratic

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