Conservative
Conservative adjective - Not excessively showy.
Usage example: dressing in conservative outfits so as to make a good impression at job interviews
Plain and conservative are semantically related. in conventional topic. In some cases you can use "Plain" instead an adjective "Conservative".
Plain
Plain adjective - Free from all additions or embellishment.
Usage example: just give us the plain facts and none of your snide comments
Conservative and plain are semantically related. Sometimes you can use "Conservative" instead an adjective "Plain".
Mutual synonyms
How words are described
Both words in one sentence
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On the one occasion he shows up dressed in a normal, conservative outfit with plain hair, Howard faints.
Source: The Dandy -
The villainess Velda is plain, mannish, and cruel, plainly uncomfortable the one and only time she's seen in a very conservative dress.
Source: Vanity Is Feminine - Due to their extremely conservative "plain" style of dress and highly selective approach to adopting modern technology (justified by their religious values) they can often appear at best old-fashioned but (despite common misconceptions) not in such a way that they stick to one particular era.
Source: Anachronism Stew / Real Life
Cite this Source
Plain and Conservative. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/conservative/plain
Conservative & Plain. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/conservative/plain>.
Plain or Conservative. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/conservative/plain.
Google Ngram Viewer shows how "conservative" and "plain" have occurred on timeline