- (intransitive) To make a mistake.
- He erred in his calculations, and made many mistakes.
- (intransitive) To sin.
Etymology: From errer, from errare, "to wander", "to err".
- Dutch: een fout maken, een vergissing maken, zich vergissen
- German: irren
- Italian: errare, sbagliare
- Spanish: errar, equivocar
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