Unable
Unable adjective - Lacking qualities (as knowledge, skill, or ability) required to do a job.
Mutual synonyms
Both words in one sentence
-
It coordinated things very efficiently all right
but it was also very vain and unable to undertand death.
Source: Video Game / A Blurred Line - However, they also have glaring weaknesses: they are vain, unable to form strong emotional bonds, cannot touch iron and are helpless against the power of gods (especially the Christian God).
Source: Literature / The Broken Sword
Cite this Source
Vain and Unable. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/unable/vain
Unable & Vain. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/unable/vain>.
Vain or Unable. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/unable/vain.
Google Ngram Viewer shows how "unable" and "vain" have occurred on timeline