Unrecognisable and Undefined

Unrecognisable

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

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

Nearby Words: unrecognized, unrecognised, unrecognizable, unrecognisably

Undefined

Undefined adjective - Not seen or understood clearly.

Unrecognisable and undefined are semantically related. Sometimes you can use "Unrecognisable" instead an adjective "Undefined".
Cite this Source
Undefined and Unrecognisable. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/unrecognisable/undefined
Unrecognisable & Undefined. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/unrecognisable/undefined>.
Undefined or Unrecognisable. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/unrecognisable/undefined.
Google Ngram Viewer shows how "unrecognisable" and "undefined" have occurred on timeline