Erratic
Erratic adjective - Lacking a definite plan, purpose, or pattern.
Usage example: so far your effort to land a summer job has been very erratic
Irregular is a synonym for erratic in unpredictable topic. In some cases you can use "Irregular" instead the word "Erratic" as an adjective or a noun, when it comes to topics like sketchy, aberrant, broken, casual. popular alternative
Nearby Word: errant
Irregular
Irregular adjective - Lacking in steadiness or regularity of occurrence.
Usage example: irregular mail delivery to the island
Erratic is a synonym for irregular in sketchy topic. You can use "Erratic" instead an adjective "Irregular", if it concerns topics such as inconsistent, aberrant, broken, casual. popular alternative
Nearby Words: irregularity, irregularly
Mutual synonyms
Related pairs
- capricious and erratic
- capricious and irregular
- eccentric and erratic
- eccentric and irregular
- abnormal and erratic
- abnormal and irregular
- inconsistent and erratic
- inconsistent and irregular
- unstable and erratic
- unstable and irregular
- unsteady and erratic
- unsteady and irregular
- uncertain and erratic
- uncertain and irregular
Both words in one sentence
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Pacemakers are given to patients with irregular or erratic heartbeats.
Source: Film / The Core
Cite this Source
Irregular and Erratic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/erratic/irregular
Erratic & Irregular. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/erratic/irregular>.
Irregular or Erratic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/erratic/irregular.
Google Ngram Viewer shows how "erratic" and "irregular" have occurred on timeline