1. To wander from or miss the right way; to deviate from the path of duty; to mistake; to commit error; to sin.

2. To mislead; to cause to err.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• uesr,
• ehrn,
• evrr,
• ery,
• zerro,
• iery,
• eevr,
• erm,
• yerar,
• arr,
• eri,
• erran,
• teror,
• merer,
• errot,
• erlir,
• erea,
• verry,
• perr,
• yrar

• era,
• Ere,
• er,
• ear,
• -er,
• erie,
• RR.

The adverb for the word "err" is "erratically".

The adjective form of the word "err" is "erring".

The plural form of "err" is "errs"

The singular form of the word "err" is "error"