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
Sincere is a synonym for frank in honest topic. In some cases you can use "Sincere" instead an adjective "Frank", when it comes to topics like open, candid, completely honest. popular alternative
Sincere
Sincere adjective - Free from any intent to deceive or impress others.
Usage example: done out of a sincere desire to help others
Frank is a synonym for sincere in honest topic. You can use "Frank" instead an adjective "Sincere", if it concerns topics such as candid, straightforward. popular alternative
Mutual synonyms
Cite this Source
Sincere and Frank. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/frank/sincere
Frank & Sincere. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/frank/sincere>.
Sincere or Frank. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/frank/sincere.
Google Ngram Viewer shows how "frank" and "sincere" have occurred on timeline