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Synonyms

err

American  
[ur, er] / ɜr, ɛr /

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.

    Synonyms:
    lapse, transgress
  3. Archaic. to deviate from the true course, aim, or purpose.


idioms

  1. err on the side of caution. err on the side of caution.

err British  
/ ɜː /

verb

  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 bias

    to err on the side of justice

"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

Other Word Forms

  • errability noun
  • errable adjective

Etymology

Origin of err

First recorded in 1275–1325; Middle English erren, from Old French errer, from Latin errāre “to make a mistake; wander”; akin to Gothic airzjan, Old High German irrôn ( German irren )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He felt that a return before opening day was a bit ambitious, and that it would be better to err on the side of caution.

From Los Angeles Times

Pushing off before the lights go out results in heavy penalties or even disqualification and that led to many of the sliders erring on the side of caution with some hesitant starts.

From BBC

It took until the third end for the Scottish quartet to get on the board, but after Canada skip Rachel Homan erred, Morrison kept her composure to slide in for three.

From BBC

In the selection of his back three, Townsend erred on the side of caution and form.

From BBC

Based on her forecast, the Fed could err on the side of patience as it assesses the impact of recent rate reductions, Hammack said Tuesday at an event in Ohio on banking and monetary policy.

From The Wall Street Journal