erratic.
Unsteady, random; prone to unexpected changes; not consistent.
Meaning & usage
Unsteady, random; prone to unexpected changes; not consistent.
Henry has been getting erratic scores on his tests: 40% last week, but 98% this week.
When we found you on the street, your behavior was all erratic and it seemed like you were having a panic attack.
Deviating from normal opinions or actions; eccentric; odd.
erratic conduct
Where this word comes from
Etymology tree Proto-Indo-European *h₁ers- Proto-Indo-European *h₁ers-eh₂-yé-ti Proto-Italic *erzāō Latin errō Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus Latin -āticus Classical Latin errāticusbor. Old French erratique Middle French erratiquebor. ▲ Classical Latin errāticusbor. Middle English erratik English erratic From Middle English erratik, from Middle French erratique (from Old French erratique) and its etymon Classical Latin errāticus.
A rock moved from one location to another, usually by a glacier.
Anything that has erratic characteristics.
Where this word comes from
Etymology tree Proto-Indo-European *h₁ers- Proto-Indo-European *h₁ers-eh₂-yé-ti Proto-Italic *erzāō Latin errō Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus Latin -āticus Classical Latin errāticusbor. Old French erratique Middle French erratiquebor. ▲ Classical Latin errāticusbor. Middle English erratik English erratic From Middle English erratik, from Middle French erratique (from Old French erratique) and its etymon Classical Latin errāticus.
Try it on your idea.
erratic has 7 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.
These are naming prompts. Meanings and pronunciation can vary; existing brand and domain uses have not been checked.
Explore the name generatorA word with a source.
Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.