Undefined and Undefinable

Undefined

Undefined adjective - Not precisely limited, determined, or distinguished.
Usage example: undefined authority

Undefinable and undefined are semantically related. In some cases you can use "Undefinable" instead an adjective "Undefined".

Undefinable

Undefinable adjective - Not capable of being precisely or readily described; not easily put into words.

Undefined and undefinable are semantically related. Sometimes you can use "Undefined" instead an adjective "Undefinable".
Cite this Source
Undefinable and Undefined. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/undefined/undefinable
Undefined & Undefinable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/undefined/undefinable>.
Undefinable or Undefined. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/undefined/undefinable.
Google Ngram Viewer shows how "undefined" and "undefinable" have occurred on timeline