Of no use or purpose; useless; worthless.(adjective)
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Use "bastardly" in a sentence
"I think it's cool that the tees just say "bastardly" and not "bastardly. com" That way I can go around pretending to be a badass."
"Dear me, this indifferent Antenna bastardly blubbered at this ubiquitous."
"“The people behind these sorts of activities have learned nothing about the necessity of cooperative efforts along international lines—only how to be more and more skillfully bastardly.”"