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 Compounding the problem are erratic winds that blow from every direction. — Jim Zumbo, Outdoor Life, 10 Sep. 2026 Rams All-Pro receiver Puka Nacua’s durability raises questions, however, due to the 25-year-old’s punishing style on the field and erratic behavior off the field. — Tom Krasovic, San Diego Union-Tribune, 8 Sep. 2026 The set-up is fast and the humor on the wacky side, like a Coen brothers flick minus their mastery of narrative rhythm, which here remains erratic throughout. — Jordan Mintzer, HollywoodReporter, 7 Sep. 2026 Despite his powerful positions, Musk has also embraced the role of internet troll, using his massive online platforms to spew erratic, seemingly contradictory positions and frequently whip his army of followers into a frenzy. — Christian Zilko, IndieWire, 7 Sep. 2026 See All Example Sentences for erratic

Recent Examples of Synonyms for erratic

Adjective

Italy imposed the border controls -- which amounted to random police checks at airports and seaports for passengers arriving from Spain -- by claiming a threat to its internal security.

— Arkansas Online, Arkansas Online, 16 Sep. 2026
Much like Arya killing the Night King, Bran Stark becoming king of Westeros remains a random and highly controversial choice nearly a decade since the ending of Game of Thrones.

— Rafael Motamayor, Vulture, 15 Sep. 2026

Definition of random

Adjective

The bizarre explanation brought an end to an episode that generated widespread attention online after Pierre initially accused the courier of stealing the order.

— Peter Burke, FOXNews.com, 4 Sep. 2026
An exhausting, head-spinning and often downright silly offseason is officially over after college football really kicked off on Thursday (after the always bizarre Week 0 last weekend).

— Dana O’Neil, CNN Money, 4 Sep. 2026

Definition of bizarre

Adjective

The scattered pieces of the former storm will likely drift over the Caribbean and soak Puerto Rico, the Virgin Islands and Hispaniola with a few inches of rain, some of which will reach Florida.

— Alex Harris, Miami Herald, 31 Aug. 2026
The right words can turn scattered details into a workable plan.

— Tarot.com, The Orlando Sentinel, 27 Aug. 2026

Definition of scattered

Adjective

How Compression Boots Work Compression boots rely on intermittent pneumatic compression, or IPC.

— Samantha Agate, Sacbee.com, 17 Sep. 2026
The devices use sequential pneumatic pressure to squeeze the legs in wave-like patterns, a technique clinicians call intermittent pneumatic compression, or IPC.

— Samantha Agate, Charlotte Observer, 17 Sep. 2026

Definition of intermittent

Adjective

The lightweight cream disguises dark circles, redness, blemishes, and uneven tone, melting in seamlessly enough to blend across larger areas in place of foundation.

— Christa Joanna Lee, Allure, 18 Sep. 2026
This uneven wear on the underbelly of a sneaker is a big no-no — prompting wearers to rotate out their running shoes at rapid rates.

— Stacia Datskovska, Footwear News, 18 Sep. 2026

Definition of uneven

Adjective

In a small town, several dead people are brought back to life through a strange ritual involving burning duck manure.

— Katherine Brodsky, Variety, 18 Sep. 2026
Back outside, the strangest part of the scene might have been how normal everything seemed to the people wearing crimson and blue.

— Taylor Eldridge, Kansas City Star, 18 Sep. 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 20 Sep. 2026.

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Synonyms of erratic

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