Irregular
Irregular adjective - Lacking in steadiness or regularity of occurrence.
Usage example: irregular mail delivery to the island
Unpredictable is a synonym for irregular. In some cases you can use "Unpredictable" instead an adjective "Irregular".
Nearby Words: irregularity, irregularly
Unpredictable
Unpredictable adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: unpredictable spring weather that makes it really hard to know what to wear
Irregular is a synonym for unpredictable. You can use "Irregular" instead an adjective "Unpredictable".
Nearby Word: unpredictability
Mutual synonyms
Related pairs
- capricious and irregular
- capricious and unpredictable
- inconsistent and irregular
- inconsistent and unpredictable
- unstable and irregular
- unstable and unpredictable
- unsteady and irregular
- unsteady and unpredictable
- fluctuating and irregular
- fluctuating and unpredictable
- uncertain and irregular
- uncertain and unpredictable
- casual and irregular
- casual and unpredictable
Both words in one sentence
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Many of the games tend to give heaps of gold on an irregular and unpredictable basis, so you can end up with no gold for several chapters if you spend it all too early.
Source: Resources Management Gameplay
Cite this Source
Unpredictable and Irregular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irregular/unpredictable
Irregular & Unpredictable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irregular/unpredictable>.
Unpredictable or Irregular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irregular/unpredictable.
Google Ngram Viewer shows how "irregular" and "unpredictable" have occurred on timeline