Related Clues:

• Guesses wrong, e.g
• Fumbles, say
• Takes the wrong exit, e.g
• Calls the wrong number, e.g
• Isn't in the right?
• Hits 'reply all' instead of 'reply,' say
• Is blunderful
• Misunderstands, e.g
• Drops the ball, literally or not
• ''No one __ willingly'' (Socratic thesis)
• Omits an attachment, say
• Makes blunders
• Writes “rights” for “rites”
• Hits a wrong note, e.g
• Forgets an email attachment, say