Frank
Frank adjective - Free in expressing one's true feelings and opinions.
Usage example: our ballet teacher is very frank about telling her students whether she thinks they have the talent for a career in dance
Plain is a synonym for frank in candid topic. In some cases you can use "Plain" instead an adjective "Frank", when it comes to topics like property, speech, completely honest.
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
Frank is a synonym for plain in candid topic. You can use "Frank" instead an adjective "Plain", if it concerns topics such as behaviour, speech, straightforward, straightforward in speech.
Mutual synonyms
How words are described
| dead | dead frank | dead plain |
| entire | entire frank | entire plain |
| great | great frank | great plain |
| naked | naked frank | naked plain |
| Other adjectives: mysterious. | ||
Cite this Source
Plain and Frank. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/frank/plain
Frank & Plain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/frank/plain>.
Plain or Frank. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/frank/plain.
Google Ngram Viewer shows how "frank" and "plain" have occurred on timeline