adjectivemactābĭlisMACTABILIS☆ KeepMeaningdeadlyLewis & Short 1879ModernAs printed, 1879MACTABILISLEWIS & SHORTMACTABILISmactābĭlis, e, adj. macto, I. deadly: plaga, Lucr. 6, 805.Read the whole entry