Definition of "briskly"

`Now,' she said briksly, `you've heard all about the business. What type of personal service have you got in mind?'

1965, James Holledge, What Makes a Call Girl?, London: Horwitz Publications, page 82

As Ferguson strode briskly towards the Stretford End at the final whistle, he will have been reflecting on the extent of the challenge now facing him from the club he once branded "noisy neighbours".

2011 October 23, Phil McNulty, “Man Utd 1 - 6 Man City”, in BBC Sport‎