Erratic and Inconsistent

Similar meaning words

Erratic adjective - Not staying constant.

Usage example: business at the fast-food restaurant has been so erratic lately that the manager never knows how much staff to have on hand

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Inconsistent is a synonym for erratic in unpredictable topic. In some cases you can use "Inconsistent" instead an adjective "Erratic", when it comes to topics like change, irregular, continue, volatile. popular alternative

Nearby Word: errant

Inconsistent adjective - Likely to change frequently, suddenly, or unexpectedly.

Usage example: an inconsistent breeze was our only relief from the heat

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Erratic is a synonym for inconsistent in change topic. You can use "Erratic" instead an adjective "Inconsistent", if it concerns topics such as continue, contradictory, volatile, changeable. popular alternative

Emperor Peter III of Russia was a staunch Prussophile militarist, had a personality which oscillated between Cloud Cuckoolander and Ax-Crazy, hated his wife Catherine the Great, and led an erratic and inconsistent internal and foreign policy.

Source: Generation Xerox
The humming begins normal, but after five minutes it turns erratic, in a consistently inconsistent pattern.

Source: Torment by Annoyance

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Inconsistent and Erratic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/erratic/inconsistent

Erratic & Inconsistent. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/erratic/inconsistent>.

Inconsistent or Erratic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/erratic/inconsistent.

Google Ngram Viewer shows how "erratic" and "inconsistent" have occurred on timeline