Added 9 October 2026 well-defined adjective Categories: Describing WordsObscure Words adjective ! Definition from WordNet 3.1, Princeton University. More about well-defined at Wordnik → Where our words come from → Having a clean and distinct outline as if precisely cut along the edges. a finely chiseled nose Accurately stated or described. a set of well-defined values Related Words: distinctclearchiseledspecifiedfocusedexplicitprecisespecificwell-developeddefinitiveaccuratedefinite Back to today's word