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Added 9 October 2026

erratic

/ɪˈɹætɪk/ adjective

In Latin: erraticus Wiktionary

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about erratic at Wordnik → Where our words come from →

Liable to sudden unpredictable change.
erratic behavior
Having no fixed course.
an erratic comet
Likely to perform unpredictably.
erratic winds are the bane of a sailor

Origin

From Middle English erratik, from Middle French erratique (from Old French erratique) and its etymon Classical Latin errāticus.

From Wiktionary, via Kaikki.org (CC BY-SA)

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