Dis·serv'ice·a·ble adjective Calculated to do disservice or harm; not serviceable; injurious; harmful; unserviceable. Shaftesbury. -- Dis*serv'ice*a*ble*ness , noun Norris. -- Dis*serv'ice*a*bly , adverb Found on http://www.encyclo.co.uk/webster/D/94