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The word depopulant could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
dēpŏpŭlātĭo, ōnis, f. [depopulor], a laying waste, marauding, pillaging (several times in Cic.; elsewh. rare), Cic. Pis. 17, 40; id. Verr. 1, 4, 12; id. Rep. 2, 14; Liv. 43, 23: Thracum, Cic. Font. 22, 44: Tiberini fluminis igniumque, ravages, Aug. Civ. Dei, 3, 31; Vulg. Mic. 2, 4. In plur., Cic. Phil. 5, 9, 25.
dēpŏpŭlātor, ōris, m. [depopulor], one who lays waste, a marauder, spoiler, pillager: fori, Cic. Dom. 5, 13; Caecil. ap. Non. 118, 33 (v. 191 Rib.); Vulg. Isa. 21, 2.
dēpŏpŭlātrix, īcis, f. [depopulator], she who spoils, destroys: generis humani (luxuries), Cassiod. Var. 11, 3 med.