adjective

active and energetic.

a good brisk walk

quick,rapid,fast,swift,speedy,fleet-footed,hasty,hurried,urgent,energetic,lively,vigorous,sharp,agile,nimble,spry,sprightly,spirited,nippy,snappy,alacritous,busy,bustling,active,vibrant,hectic,good

verb

quicken something.

Mary brisked up her pace