erratic

/i-ˈra-tik/

Middle English, from Latin erraticus, from erratus, past participle of errare seeerr

adjective

  1. having no fixed course : wandering

  2. characterized by lack of consistency, regularity, or uniformity

  3. deviating from what is ordinary or standard : eccentric

an erratic comet

strange singular unique peculiar eccentric erratic odd quaint outlandish mean departing from what is ordinary, usual, or to be expected. strange stresses unfamiliarity and may apply to the foreign, the unnatural, the unaccountable. singular suggests individuality or puzzling strangeness.

noun

  1. one that is erratic; especially : a boulder or block of rock transported from its original resting place especially by a glacier