Lethiferous
Troublesome and lethiferous are semantically related. In some cases you can use "Troublesome" instead an adjective "Lethiferous".
Troublesome
Troublesome adjective - Causing worry or anxiety.
Lethiferous and troublesome are semantically related. Sometimes you can use "Lethiferous" instead an adjective "Troublesome".
Mutual synonyms
Cite this Source
Troublesome and Lethiferous. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/lethiferous/troublesome
Lethiferous & Troublesome. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/lethiferous/troublesome>.
Troublesome or Lethiferous. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/lethiferous/troublesome.
Google Ngram Viewer shows how "lethiferous" and "troublesome" have occurred on timeline