- sloth
- c.1175, "indolence, sluggishness," formed from M.E. slou, slowe (see slow); replacing O.E. slæwð. Sense of "slowness, tardiness" is from c.1380. As one of the deadly sins, it translates L. accidia. The slow-moving mammal first so called 1613, a translation of Port. preguiça, from L. pigritia "laziness" (cf. Sp. perezosa "slothful," also "the sloth").