Inadequate
Inadequate adjective - Not coming up to an expected measure or meeting a particular need.
Unable to and inadequate are semantically related. In some cases you can use "Unable to" instead an adjective "Inadequate".
Nearby Words: inadequacy, inadequately
Unable to
Inadequate and unable to are semantically related. You can use "Inadequate" instead an adjective phrase "Unable to".
Mutual synonyms
Both terms in one sentence
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Can't Catch Up: Eventually Mayura does start training to be an onmyouji, but by that time Rokuro and Benio have a lot more skill and power so Mayura ends up feeling inadequate and unable to help her friends.
Source: Manga / Twin Star Exorcists -
The second run had lost most of its audience after a few days due to viewership had left believing that this subsequent attempt would be an inadequate clone, unable to match the heights of the first.
- A series of audio diaries reveal that he trained rigorously to take on the role of a super-spy, but being unable to pick up women leaves him feeling inadequate.
Source: Sex as Rite-of-Passage
Cite this Source
Unable to and Inadequate. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/inadequate/unable_to
Inadequate & Unable to. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/inadequate/unable_to>.
Unable to or Inadequate. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/inadequate/unable_to.
Google Ngram Viewer shows how "inadequate" and "unable to" have occurred on timeline