Undefined and Unrecognizable

Undefined

Undefined adjective - Not seen or understood clearly.

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

Unrecognizable

Unrecognizable adjective - Defying recognition as e.g. because of damage or alteration.

Undefined and unrecognizable are semantically related. Sometimes you can use "Undefined" instead an adjective "Unrecognizable".

Cite this Source
Unrecognizable and Undefined. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/undefined/unrecognizable
Undefined & Unrecognizable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/undefined/unrecognizable>.
Unrecognizable or Undefined. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/undefined/unrecognizable.
Google Ngram Viewer shows how "undefined" and "unrecognizable" have occurred on timeline