Definition of "swiftly"

Mrs. Piper cut short these piracies by swiftly removing his spoon.

1930, Norman Lindsay, Redheap, Sydney, N.S.W.: Ure Smith, published 1965, page 21

Strategic sites in even the remotest regions of the kingdom were swiftly fortified using forced labour.

1999, Linda Flavell, Roger Flavell, “1066[:] The Normans Begin to Erect Castles”, in dictionary of english down through the ages[:] words & phrases born out of historical events great & small, 2005 edition, London: Kyle Cathie Limited, page 17

[T]he early hostility of the Bulgarian supporters was swiftly subdued.

2011 September 2, Phil McNulty, “Bulgaria 0-3 England”, in BBC‎