The Collaborative International Dictionary
Faultily
Faultily \Fault"i*ly\, adv. In a faulty manner.
Wiktionary
faultily
adv. In a faulty manner
WordNet
faultily
adv. in an inaccurate manner; "these statements were faultily attributed to me"
Usage examples of "faultily".
But that plan had been scotched when he had to rush home to take over the business after the tragedy involving his father, when the older man had been buried under tons of mud while inspecting the workings of a balky Squeeze Genie Plus at the bottom of a faultily shored ditch.