[ur, er]
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verb (used without object)
  1. to go astray in thought or belief; be mistaken; be incorrect.
  2. to go astray morally; sin: To err is human.
  3. Archaic. to deviate from the true course, aim, or purpose.

Origin of err

1275–1325; Middle English erren < Old French errer < Latin errāre; akin to Gothic airzjan, Old High German irrôn, German irren
Related formserr·a·bil·i·ty, nounerr·a·ble, adjective
Can be confusedair e'er ere err heirer err Ur

Synonyms for err

See more synonyms for on Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for erred


verb (intr)
  1. to make a mistake; be incorrect
  2. to stray from the right course or accepted standards; sin
  3. to act with bias, esp favourable biasto err on the side of justice

Word Origin for err

C14: erren to wander, stray, from Old French errer, from Latin errāre
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for erred



c.1300, from Old French errer "go astray, lose one's way; make a mistake; transgress," from Latin errare "wander, go astray, be in error," from PIE root *ers- "be in motion, wander around" (cf. Sanskrit arsati "flows;" Old English ierre "angry, straying;" Old Frisian ire "angry;" Old High German irri "angry," irron "astray;" Gothic airziþa "error, deception;" the Germanic words reflecting the notion of anger as a "straying" from normal composure). Related: Erred; erring.

Online Etymology Dictionary, © 2010 Douglas Harper