Home › Words › D › definitionlessnessdefinitionlessnessdefinitionlessness means lack of definition.EtymologyFrom definitionless + -ness.nounLack of definition.e.g.“Diabetes mellitus, as a paradigm of metabolic disorders, continues to ail from definitionlessness and is comprehended the less and less the more and more we know about it.” — 1977, Ashvin J. Patel, In search of diagnosis: analysis of present system of health care:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.definitionless 87% match — Without a definition. vs definitionlessness →undefinableness 75% match — The quality of being undefinable. vs definitionlessness →undefinability 74% match — The quality of being undefinable. vs definitionlessness →designlessness 72% match — Absence of design. vs definitionlessness →labellessness 71% match — An absence of labels. vs definitionlessness →qualitylessness 71% match — Absence of qualities. vs definitionlessness →definedness 70% match — The condition of being defined vs definitionlessness →undefinedness 70% match — The condition of being undefined vs definitionlessness →