Entry 3 senses · 3 variants Webster, 1913 Slattern · Slat·tern · IPA /ˈslætɚn/ n. a. v. t. 01 n. A woman who is negligent of her dress or house; one who is not neat and nice. 1. A woman who is negligent of her dress or house; one who is not neat and nice. 02 a. Resembling a slattern; sluttish; slatterny. 1. Resembling a slattern; sluttish; slatterny. 03 v. t. To consume carelessly or wastefully; to waste; -- with away. 1. To consume carelessly or wastefully; to waste; -- with away.[R.]