Wiktionary
unsystematically
adv. Not systematically, in an unsystematic manner.
WordNet
unsystematically
adv. in an unsystematic manner; "his books were lined up unsystematically on the shelf" [ant: systematically]
Usage examples of "unsystematically".
Meanwhile his mother coddled and cuddled him secretly and unsystematically, secretly violated his fathers deprivations by contrabanding to him too much cookies and candy, yet all the while turned a cold and unresponsive back to any real or tacit plea for help in the fathers presence.