immisericors
From LSJ
Latin > English (Lewis & Short)
immĭsĕrĭcors: (inm-), ordis, adj. inmisericors,
I pitiless, merciless (very rare, but class.): ipsum immisericordem, superbum fuisse, Cic. Inv. 2, 36, 108: judex immisericors atque inexorabilis contra improbos, Gell. 14, 4, 3.—Of things: flucti (i. e. fluctus) inmisericordes jacere, Att. ap. Non. 488, 12 (Fragm. Trag. v. 33 Rib.); Vulg. Jer. 50, 42.—* Adv.: immĭsĕrĭcordĭter, unmercifully: factum a vobis duriter immisericorditerque, Ter. Ad. 4, 4, 28.
Latin > French (Gaffiot 2016)
immĭsĕrĭcors, dis (in, misericors), qui est sans pitié, impitoyable : Cic. Inv. 2, 108 ; Gell. 14, 4, 3.