Lengthy
Thorough
Thorough adjective - Having no exceptions or restrictions.
Lengthy and thorough are semantically related. Sometimes you can use "Lengthy" instead an adjective "Thorough".
Nearby Words: thoroughly, thoroughness
Mutual synonyms
Cite this Source
Thorough and Lengthy. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/lengthy/thorough
Lengthy & Thorough. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/lengthy/thorough>.
Thorough or Lengthy. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/lengthy/thorough.
Google Ngram Viewer shows how "lengthy" and "thorough" have occurred on timeline