Blunt
Blunt adjective - Being or characterized by direct, brief, and potentially rude speech or manner.
Usage example: he values honesty and is quite blunt about telling people what he doesn't like about them
Plain is a synonym for blunt in behaviour topic. In some cases you can use "Plain" instead an adjective "Blunt", when it comes to topics like speech, direct.
Plain
Plain adjective - Free in expressing one's true feelings and opinions.
Usage example: their piano teacher is honest and plain, if not always tactful
Blunt is a synonym for plain in behaviour topic. Sometimes you can use "Blunt" instead an adjective "Plain", if it concerns topics such as direct, candid, straightforward, straightforward in speech.
Mutual synonyms
Both words in one sentence
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Cynicism from her sisters, being plain faced, bold, ambitious, blunt, terribly unladylike, and the unofficial protagonist.
Source: Literature / Little Women -
He can be blunt, thoughtless and short-tempered, but cares enough about Kuno that he despite her plain appearance, she's his Sekirei and nobody else.
Source: Manga / Sekirei -
Tactful Translation: The interpreter present at the talks between the termite Prime Minister and the ant delegate does wonders in translating the ant's suave Trouble Entendre into the Minister's blunt plain talk, and vice versa.
Cite this Source
Plain and Blunt. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/blunt/plain
Blunt & Plain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/blunt/plain>.
Plain or Blunt. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/blunt/plain.
Google Ngram Viewer shows how "blunt" and "plain" have occurred on timeline