Die-hard
Die-hard adjective - Tending to favor established ideas, conditions, or institutions.
Insane
Insane adjective - Having or showing a very abnormal or sick state of mind.
Both words in one sentence
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Many of them require insane amounts of skill and patience that only the most die-hard Hundred Percent Completionists would strive for.
Source: Cosmetic Award
Cite this Source
Insane and Die-hard. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/die-hard/insane
Die-hard & Insane. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/die-hard/insane>.
Insane or Die-hard. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/die-hard/insane.