Entry 1 sense Webster, 1913 Disservice /dis·sər´vĭs/ · Dis·serv·ice · IPA /dɪ(s)ˈsɝvɪs/ 01 n. Injury; mischief. 1. Injury; mischief. “We shall rather perform good offices unto truth than any disservice unto their relators.” — Sir T. Browne.