Slip-up
Full definition of slip-up
Noun
- (idiomatic) A mistake or error; a minor misstep.I think she will forgive an accidental slip-up, so don't worry too much about misspeaking.
- 2012, June 29, Kevin Mitchell, Roger Federer back from Wimbledon 2012 brink to beat Julien Benneteau, For the second year in a row at Wimbledon, Roger Federer went to five sets against a Frenchman but this time there would be no slip-ups.