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 Still, the closing play couldn’t erase an erratic and largely unproductive day for the Commanders’ offense. — Nicki Jhabvala, New York Times, 26 Aug. 2026 The symptoms found in those with CTE include memory loss, mood swings, erratic behavioral actions and more. — Scott Thompson Outkick, FOXNews.com, 25 Aug. 2026 The last person who seems to realize this is Tony Khan, and as a result, viewership will continue to be erratic for AEW Dynamite. — Alfred Konuwa, Forbes.com, 22 Aug. 2026 However, as global heat increases, the rain is becoming more erratic and intense, creating the conditions for deadly floods. — ABC News, 18 Aug. 2026 See All Example Sentences for erratic

Recent Examples of Synonyms for erratic

Adjective

Raman is now easily scoring off of Bass mishaps, like the mayor’s response to the Lineage warehouse fire and her random broadside against street vendors during a debate in Sherman Oaks last month.

— Gustavo Arellano, Los Angeles Times, 4 Sep. 2026
Several Chinese research teams developed and tested the coherent routing system for bucket-brigade quantum random access memory, or QRAM, Science and Technology Daily reported on Wednesday.

— Atharva Gosavi, Interesting Engineering, 3 Sep. 2026

Definition of random

Adjective

While Cannes has been far more sporadic in its support of the form, and Berlin tends to offer quantity at the expense of quality, Venice has consistently brought the bangers — and the 2026 selection looks to be among its best yet.

— Patrick Brzeski, HollywoodReporter, 2 Sep. 2026
The clear-cutting of swaths of trees led to sporadic dust storms while, at night, the data center’s bright white lights can be seen from their homes and obscure the stars, according to the complaint.

— Zachary Hansen, AJC.com, 1 Sep. 2026

Definition of sporadic

Adjective

The difference is not the map, but how changing conditions are interpreted along the way.

— Alex Shahidi, Forbes.com, 21 Aug. 2026
In some studies, gloves not changed between tasks had higher bacterial counts and could transfer germs just as easily as ungloved hands, underscoring the need for frequent changing and proper hand hygiene.

— Evan Moore December 19, Charlotte Observer, 19 Dec. 2025

Definition of changing

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

With intermittent rain in the forecast over the next week, some sessions could be rescheduled or delayed for hours, corralling fans and shortening the time players have to recover for their next round.

— Aaron Short, Curbed, 3 Sep. 2026
The project is designed to turn intermittent solar generation into a more dependable power source.

— Neetika Walter, Interesting Engineering, 3 Sep. 2026

Definition of intermittent

Adjective

Heat and uneven rainfall have stressed forests in some areas, while timely moisture has kept others lush.

— Doyle Rice, USA Today, 5 Sep. 2026
Waterproof formula—but doesn’t feel like a typical waterproof foundation, which can feel heavy and settle into uneven texture.

— Alanna Martine Kilkeary, Glamour, 4 Sep. 2026

Definition of uneven

Adjective

In a strange quirk of the 2026-27 fixture list, Leeds have been sent to the scenes of those crimes in quick succession once again.

— Beren Cross, New York Times, 6 Sep. 2026
In short, unruly crowds, strange smells, intrusive noise and late nights are not unique inventions of the TikTok era.

— Douglas Robson, Los Angeles Times, 6 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 8 Sep. 2026.

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Synonyms of erratic

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