Erratic

/ɪˈrætɪk/intermediateadjective

Heart monitors, freelance income, and your cousin's sleep schedule all look like this on a graph.

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Meaning

Not even or regular in pattern or movement; unpredictable and inconsistent.

Memory trick

Think “ERR” = to make mistakes or go off course. Erratic things “err” from a steady path.

Examples

1

His erratic schedule made it hard to plan meetings.

2

The car started making erratic noises on the highway.

3

They saw erratic performance after the rushed release.

Synonyms

unpredictableinconsistentirregularvolatilecapricioussporadichaphazard

Antonyms

consistentsteadyregularstablepredictablereliable

Etymology

From Latin erraticus "wandering," from errare "to wander, stray."

Usage Notes

Useful for describing behavior, performance, patterns, or movement that lacks stability.

Real-life contexts

1

Use for schedules: "My sleep has been erratic lately."

2

Use for results: "The service has been erratic this week."

3

Use for behavior: "His erratic decisions worried the team."

Common Mistakes

Erratic implies unpredictability; “random” can be more neutral. Erratic often suggests an underlying problem.

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Quick Facts

Part of Speech

adjective

Difficulty

intermediate

Monthly Searches

~88,000

Erratic: Sharp Definition, Examples & Memory Trick | WordFlippin