#1 brisk s. [alert, lively, merry, rattling, snappy, spanking, zippy] quick and energetic; "a brisk walk in the park"; "a lively gait"; "a merry chase"; "traveling at a rattling rate"; "a snappy pace"; "a spanking breeze". wn
#2 brisk s. [bracing, fresh, refreshing, refreshful, tonic] imparting vitality and energy; "the bracing mountain air". wn
#3 brisk v. [brisk up, brisken] become brisk; "business brisked up". wn
#4 brisk s. very active; "doing a brisk business". wn
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