Inadequate and Unsuccessful

Inadequate

Inadequate adjective - Not coming up to an expected measure or meeting a particular need.

Unsuccessful and inadequate are semantically related In some cases you can use "Unsuccessful" instead an adjective "Inadequate".

Nearby Words: inadequacy, inadequately

Unsuccessful

Unsuccessful adjective - Producing no results.
Usage example: an unsuccessful attempt to fix the faucet ourselves

Inadequate and unsuccessful are semantically related in weak topic. Sometimes you can use "Inadequate" instead an adjective "Unsuccessful".

Nearby Word: unsuccessfully
Cite this Source
Unsuccessful and Inadequate. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/inadequate/unsuccessful
Inadequate & Unsuccessful. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/inadequate/unsuccessful>.
Unsuccessful or Inadequate. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/inadequate/unsuccessful.
Google Ngram Viewer shows how "inadequate" and "unsuccessful" have occurred on timeline