Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Unable and improper are semantically related. In some cases you can use "Unable" instead an adjective "Improper".
Nearby Word: improperly
Unable
Unable adjective - Lacking qualities (as knowledge, skill, or ability) required to do a job.
Mutual synonyms
Both words in one sentence
-
She doesn't realise what's happened until she finds herself unable to object to the highly improper Gubru-manipulated uplift ceremony that would make Neo-Chimps their clients.
Source: Bedtime Brainwashing - In Stephanie Burgis's A Most Improper Magick, Stepmama's friends commiserate with her, marrying a man Unable to Support a Wife in a suitable style — but Kat knows that she snatched him because she was already aging unwed.
Source: Old Maid
Cite this Source
Unable and Improper. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/improper/unable
Improper & Unable. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/improper/unable>.
Unable or Improper. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/improper/unable.
Google Ngram Viewer shows how "improper" and "unable" have occurred on timeline