Bad
Bad adjective - Causing or capable of causing harm.
Usage example: sitting too close to the television is said to be bad for the eyes
Ruinous is a synonym for bad in harmful topic. In some cases you can use "Ruinous" instead an adjective "Bad", when it comes to topics like deleterious.
Ruinous
Ruinous adjective - Bringing about ruin or misfortune.
Bad is a synonym for ruinous in deleterious topic. Sometimes you can use "Bad" instead an adjective "Ruinous".
Mutual synonyms
Both words in one sentence
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Drop the Hammer: "Der Happy Stick." Drugs Are Bad: Granny MacNulty certainly thinks so, and several of the "Young Middenface"-stories show the ruinous effect of drugs on the Glasgow ghetto.
Source: Comicbook / Strontium Dog - Inquisitors must be sure that Exterminatus is the best and/or only option, as being baited by the Ruinous Powers into destroying your own worlds is, in fact, seen as just as bad as the world falling to Chaos.
- The C'tan being on par with the Ruinous Powers in terms of Big Bad and the Mechanicus being responsible for humanity being able to travel the stars and defend themselves, this is as bad as it sounds.
Source: Unwitting Pawn
Cite this Source
Ruinous and Bad. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/bad/ruinous
Bad & Ruinous. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/bad/ruinous>.
Ruinous or Bad. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/bad/ruinous.
Google Ngram Viewer shows how "bad" and "ruinous" have occurred on timeline