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adj.
connected with or engaged in or sponsored by or used in commerce or commercial enterprises; "commercial trucker"; "commercial TV"; "commercial diamonds"
adj.
of low or inferior quality or value; "of what coarse metal ye are molded"- Shakespeare; "produced...the common cloths used by the poorer population"
adj.
of very poor quality or condition; "deplorable housing conditions in the inner city"; "woeful treatment of the accused"; "woeful errors of judgment"