Err – be mistaken or incorrect; make a mistake

(Pronounced err)

To remember the definition of the word err, use the following mnemonic:

I was too early (err) for the party because I got the time incorrect.

Examples of err in a sentence

Because Bill does not want to err on his exam, he carefully reads the questions before answering them. 

If I err, I always learn from my mistakes.

The ice skater believed she would err during her routine, but she managed to earn a perfect score.