What is another word for most simplehearted?
Pronunciation: [mˈə͡ʊst sˈɪmplɪhˌɑːtɪd] (IPA) 
When it comes to finding synonyms for the phrase "most simplehearted," there are plenty of options to choose from. Some alternative words to describe someone who is sincere, genuine, and kind-hearted include genuine, unselfish, altruistic, tender, warmhearted, affectionate, compassionate, and sympathetic. These words all carry a similar connotation of someone who is open-hearted and caring, and they can be used interchangeably to describe someone who embodies these qualities. Whether you are writing a heartfelt thank-you note or describing someone who has made a lasting impact on your life, there are plenty of synonyms to choose from that will help you convey the depth of your appreciation and admiration.
