unˈserviceably,adv. (un-1 11.) 1611Cotgr., Inutilement,..vnseruiceably.1661Beveridge Priv. Th. (1709) 156 What is the reason, I have hitherto liv'd so unserviceably to God?1695Woodward Nat.Hist. Earth i. 48 It..does not enlarge the Dimensions of the Globe, or..lye idly and unserviceably there.