erratic
/ɪˈɹætɪk/ adjective, noun
Forms erratics erratick erraticke erratique
- adjective Unsteady, random; prone to unexpected changes; not consistent. “Henry has been getting erratic scores on his tests: 40% last week, but 98% this week.”
- adjective Deviating from normal opinions or actions; eccentric; odd. “erratic conduct”
- noun (geology) A rock moved from one location to another, usually by a glacier.
- noun Anything that has erratic characteristics.
Synonyms
mercurial dropstone fickle quicksilver planetary wandering temperamental
Antonyms
Etymology
From Middle English erratik, from Middle French erratique (from Old French erratique) and its etymon Classical Latin errāticus.
Webster’s 1913
- adjective Having no certain course; roving about without a fixed destination; wandering; moving; --hence, applied to the planets as distinguished from the fixed stars.
- adjective Deviating from a wise of the common course in opinion or conduct; eccentric; strange; queer; as, erratic conduct.
- noun One who deviates from common and accepted opinions; one who is eccentric or preserve in his intellectual character.
- noun A rogue. [Obs.] Cockeram.
Etymology [L. erraticus, fr. errare to wander: cf. F. erratique. See Err.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “erratic”, CC BY-SA 4.0. Details