Plain
Plain adjective - Not subject to misinterpretation or more than one interpretation.
Usage example: let me make my meaning plain
Slippery
Slippery adjective - Given to acting in secret and to concealing one's intentions.
Usage example: a bar where a lot of slippery characters were known to hang out
Both words in one sentence
- It's slippery, it's not always self-evident, it can seem implausible, it can even be inconvenient, and more often than not it's just plain boring.
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The implications of this vary from author to author, but often involve the team Jumping Off the Slippery Slope and becoming Anti Villains or just plain villains.
Source: Ambition Is Evil - If the human villains of the stories have an edge here, it's likely due to their plain old ambition, ruthlessness, and willingness to jump off the slippery slope more than the use of magic itself somehow inherently 'corrupting' formerly-decent folk.
Source: Magic Is Evil
Cite this Source
Slippery and Plain. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/plain/slippery
Plain & Slippery. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/plain/slippery>.
Slippery or Plain. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/plain/slippery.
Google Ngram Viewer shows how "plain" and "slippery" have occurred on timeline