Err Definition

ĕr, ûr
erred, errs
erred, errs
To be wrong or mistaken; fall into error.
Webster's New World
To deviate from the established moral code; do wrong.
Webster's New World
To go astray; wander.
Webster's New World
To stray.
American Heritage

(intransitive) To make a mistake.

He erred in his calculations, and made many mistakes.

(law) Abbreviation of errors.


Origin of Err

  • From Middle English erren, from Old French errer (“to wander, err, mistake”), from Latin errō (“wander, stray, err, mistake”, verb), from Proto-Indo-European *ares- (“to be angry, lose one's temper”). Cognate with Old English eorre, ierre (“anger, wrath, ire”), Old English iersian (“to be angry with, rage, irritate, provoke”), Old English ierre (“wandering, gone astray, confused”).

    From Wiktionary

  • Middle English erren from Old French errer from Latin errāre to wander ers- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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