Erratic
Erratic adjective - Lacking in steadiness or regularity of occurrence.
Usage example: because of your erratic attendance at practice, you're in danger of being cut from the team
Mercurial is a synonym for erratic in change topic. In some cases you can use "Mercurial" instead the word "Erratic" as an adjective or a noun, when it comes to topics like unpredictable. popular alternative
Nearby Word: errant
Mercurial
Mercurial adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: the boss's mood is so mercurial that we never know how he's going to react to anything
Erratic is a synonym for mercurial in change topic. You can use "Erratic" instead an adjective "Mercurial", if it concerns topics such as capricious, volatile, flighty. popular alternative
Mutual synonyms
Related pairs
- impulsive and erratic
- impulsive and mercurial
- irregular and erratic
- irregular and mercurial
- capricious and erratic
- capricious and mercurial
- whimsical and erratic
- whimsical and mercurial
- inconsistent and erratic
- inconsistent and mercurial
- unstable and erratic
- unstable and mercurial
- volatile and erratic
- volatile and mercurial
Both words in one sentence
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Walking Disaster Area: The band's gigs during the early 90s were exceedingly prone to ending in riots, largely due to Axl's erratic, mercurial nature.
Source: Music / Guns N' Roses
Cite this Source
Mercurial and Erratic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/erratic/mercurial
Erratic & Mercurial. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/erratic/mercurial>.
Mercurial or Erratic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/erratic/mercurial.
Google Ngram Viewer shows how "erratic" and "mercurial" have occurred on timeline