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 The heat has dried out vegetation across the region, allowing fires to spread quickly, and the Spanish and French authorities say that erratic winds have made the fires difficult to stop. — Josh Holder, New York Times, 28 July 2026 No More have been reliably unpredictable since Patton joined as the permanent singer in 1988, launching an erratic and sometimes scandalous classic era that lasted more or less until their first split in 1998. — Jazz Monroe, Pitchfork, 27 July 2026 Prices are supposed to be erratic as a reflection of constantly changing consumer wants, needs, and priorities. — John Tamny, Forbes.com, 26 July 2026 The idea is to enable riders to accelerate earlier and utilize more of the motorcycle’s capabilities when traction gets erratic rather than just suppressing wheelspin. — New Atlas, 25 July 2026 See All Example Sentences for erratic

Recent Examples of Synonyms for erratic

Adjective

One control heats the ions by applying random electric-field signals that add vibrational energy.

— Georgina Jedikovska, Interesting Engineering, 31 July 2026
Every piece of content must serve as a culturally relevant entry point that accumulates brand equity, especially when day-to-day audience engagement can be largely random.

— Stefano Marrone, Forbes.com, 31 July 2026

Definition of random

Adjective

Through sporadic radio contact, engineers discovered a problem with some of the spacecraft’s cold gas thrusters used for finer attitude control.

— Stephen Clark, ArsTechnica, 1 Aug. 2026
There is little data on the extent of the fraud cases, because reporting is so sporadic and scattered across dozens of agencies.

— Itzel Luna, Los Angeles Times, 31 July 2026

Definition of sporadic

Adjective

Whatever ends up coming for Alpha, with their TV fragmented into a billion tiny screens, it’s bound to be bizarre.

— Sasha Geffen, Pitchfork, 2 Aug. 2026
Former Philadelphia Phillies outfielder Harrison Bader's San Francisco Giants season has ended prematurely due to a bizarre scooter accident.

— Peter Chawaga, Forbes.com, 1 Aug. 2026

Definition of bizarre

Adjective

The Chiefs worked out in light intermittent rain but cooler temperatures on Thursday at Missouri Western State University, site of training camp ahead of the NFL’s 2026 season.

— Emily Curiel, Kansas City Star, 30 July 2026
Like most diet regimens, there are a few people whom the risks of intermittent fasting may outweigh the potential benefits.

— Jennifer Lefton, Verywell Health, 28 July 2026

Definition of intermittent

Adjective

Mynatt says that tamping too lightly, unevenly, or inconsistently leads to uneven water flow (called channeling).

— Better Homes & Gardens, Better Homes & Gardens, 2 Aug. 2026
That was to avoid both leagues having 15 apiece and with uneven teams every day on the schedule having one team idle.

— Chuck Murr, Forbes.com, 1 Aug. 2026

Definition of uneven

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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 6 Aug. 2026.

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Synonyms of erratic

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