Inadept
Jejune and inadept are semantically related. in incompetent topic. In some cases you can use "Jejune" instead an adjective "Inadept".
Jejune
Jejune adjective - Causing weariness, restlessness, or lack of interest.
Cite this Source
Jejune and Inadept. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/inadept/jejune
Inadept & Jejune. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/inadept/jejune>.
Jejune or Inadept. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/inadept/jejune.
Google Ngram Viewer shows how "inadept" and "jejune" have occurred on timeline