ˈunderclothes (under-1 5 a.) 1835R. M. Bird Hawks I. 19 Under-clothes of some white summer-stuff.1855D. G. Mitchell Fudge Doings I. 47 She supplies her cook with cast-off under-clothes.1884May Crommelin Brown-Eyes xviii, Letters A. H. embroidered on the little underclothes I wore.