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 Because China’s system is tightly controlled, its descent into personalistic one-man rule does not play out in divisive confrontations on television or erratic social media rants by the top leader. — Carl Minzner, Foreign Affairs, 5 Oct. 2026 Cage has answered with the impulsive, erratic, and frenzied style now allegorized in Spider-Noir as Reilly’s inner monster. — Harmon Siegel, Artforum, 1 Oct. 2026 Payroll growth has averaged 80,000 a month in 2026 but has been erratic, from the loss of 156,000 jobs in February to growth of 214,000 the following month, with hits and misses in between. — Jeff Cox, CNBC, 1 Oct. 2026 As his erratic behavior continued, police began to suspect that Randolph had hired Miller to kill Causse, but double crossed him to avoid payment. — Ct Jones, Rolling Stone, 30 Sep. 2026 See All Example Sentences for erratic

Recent Examples of Synonyms for erratic

Adjective

Belting out random songs while delivering high-level physical comedy and acting takes skill.

— Aramide Tinubu, Variety, 15 Oct. 2026
Furthermore, the whiskers are in front, preventing the drone from detecting sideways obstacles like random jagged branches in a forest.

— New Atlas, New Atlas, 14 Oct. 2026

Definition of random

Adjective

Only some regional operators have continued sporadic services, generally using smaller feeder vessels.

— Lee Ying Shan, CNBC, 16 Oct. 2026
That said, devolving tropical storms can pack a punch with sporadic gusts and showers as the energy that was formerly bundled in the storm’s center releases outward.

— Sean Macaday, Sacbee.com, 8 Oct. 2026

Definition of sporadic

Adjective

Creating a licensing body is not a bizarre idea in a world where the FAA determines the airworthiness of planes and banks must pass stress tests to operate.

— Diane Brady, Fortune, 12 Oct. 2026
From bizarre medical tests to a mass phobia of beans, here are 14 surprising facts that reveal just how inventive, eccentric, and fascinating the ancient Greeks really were.

— Encyclopedia Britannica, Encyclopedia Britannica, 9 Oct. 2026

Definition of bizarre

Adjective

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
The amount of daylight, cool temperatures, and intermittent rain in autumn mimic what happens in spring when the peepers actively court and mate.

— Sheryl DeVore, Chicago Tribune, 13 Oct. 2026

Definition of intermittent

Adjective

Rising case rates in women under 50, new federal rules on breast density notification and the uneven rollout of 3D mammography are reshaping when and how women get screened.

— Samantha Agate, Miami Herald, 16 Oct. 2026
Grass, uneven ground, tiny puddles, and random objects can become major obstacles when the machine is barely taller than them.

— New Atlas, New Atlas, 16 Oct. 2026

Definition of uneven

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“Erratic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/erratic. Accessed 17 Oct. 2026.

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Synonyms of erratic

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