Natural
Natural adjective - Free from any intent to deceive or impress others.
Usage example: she was completely natural in expressing her feelings for him, unafraid of how they would be received
Sincere is a synonym for natural in true topic. In some cases you can use "Sincere" instead an adjective "Natural", when it comes to topics like genuine, open.
Mutual synonyms
Both words in one sentence
- His chuckles and general good humour are completely sincere and natural.
Source: Evil Laugh / Live-Action TV -
There are no penalties for not worshipping any god, but the gods do appreciate prayer, and reward sincere followers with good fortune, natural skill and even magical abilities.
Source: Our Gods Are Different -
The only reason I might agree with people calling our band "The Sex Pistols of the 90's" is that, for both bands, the music is a very natural thing, very sincere.
Cite this Source
Sincere and Natural. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/natural/sincere
Natural & Sincere. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/natural/sincere>.
Sincere or Natural. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/natural/sincere.
Google Ngram Viewer shows how "natural" and "sincere" have occurred on timeline