Adjective

1. afoot(predicate), moving (vs. nonmoving)

usage: traveling by foot; "she was afoot when I saw her this morning"

2. afoot(predicate), underway, current (vs. noncurrent)

usage: currently in progress; "there is mischief afoot"; "plans are afoot"; "preparations for the trial are underway"

Adverb

1. afoot

usage: on foot; walking; "they went to the village afoot"; "quail are hunted either afoot or on horseback"

See also: afoot (Dictionary)