Found 3 items, similar to slackly.
English → Indonesian (quick) Definition: slack anggal, kekenduran, kendor, lengang, malas
English → English (WordNet) Definition: slackly slackly adv : in a relaxed manner; not rigid; “his hands lay loosely” [syn: loosely]
English → English (gcide) Definition: Slackly Slackly \Slack"ly\, adv. In a slack manner. --Trench. [1913 Webster]