Plain
Plain adjective - Free from all additions or embellishment.
Sneaky
Sneaky adjective - Given to acting in secret and to concealing one's intentions.
Usage example: his opponent's sneaky campaign manager was clearly up to something
Both words in one sentence
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Sneaky Sleeves - Long sleeves can be used to show that a character is untrustworthy, hiding something, just plain creepy, or at the very least mysterious.
Source: Hand-Hiding Sleeves
Cite this Source
Sneaky and Plain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/plain/sneaky
Plain & Sneaky. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/plain/sneaky>.
Sneaky or Plain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/plain/sneaky.
Google Ngram Viewer shows how "plain" and "sneaky" have occurred on timeline