Lethiferous
Uncool and lethiferous are semantically related. In some cases you can use "Uncool" instead an adjective "Lethiferous".
Uncool
Uncool adjective - (spoken slang) unfashionable and boring.
Lethiferous and uncool are semantically related. Sometimes you can use "Lethiferous" instead an adjective "Uncool".
Mutual synonyms
Cite this Source
Uncool and Lethiferous. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/lethiferous/uncool
Lethiferous & Uncool. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/lethiferous/uncool>.
Uncool or Lethiferous. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/lethiferous/uncool.
Google Ngram Viewer shows how "lethiferous" and "uncool" have occurred on timeline