adjective
- Liable to sudden unpredictable change.
- usage: "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next"
- synonyms: fickle, mercurial, quicksilver
- Having no fixed course.
- usage: "an erratic comet"; "his life followed a wandering course"; "a planetary vagabond"
- Likely to perform unpredictably."erratic winds are the bane of a sailor"; "a temperamental motor; sometimes it would start and sometimes it wouldn't"; "that beautiful but temperamental instrument the flute- Osbert Lancaster
- synonyms: temperamental
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). erratic. Retrieved September 22, 2026, from http://smartdefine.org/erratic/definitions/1173502 |
| Chicago | WordNet. 2010. "erratic" http://smartdefine.org/erratic/definitions/1173502 (accessed September 22, 2026). |
| Harvard | WordNet 2010, erratic, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/erratic/definitions/1173502>. |
| MLA | WordNet. "erratic" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/erratic/definitions/1173502> |