Not feigned or affected; genuine: sincere indignation. (adjective)
Being without hypocrisy or pretense; true: a sincere friend. (adjective)
Archaic Pure; unadulterated.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "sincere" in a sentence
"He is sincere, I am certain, _sincere_ even in his most despotic acts -- from a sense that that _is_ the _only_ way to govern ...."
"He is stern and severe -- with fixed principles of _duty_ which _nothing_ on earth will make him change; very _clever_ I do _not_ think him, and his mind is an uncivilised one; his education has been neglected; politics and military concerns are the only things he takes great interest in; the arts and all softer occupations he is insensible to, but he is sincere, I am certain, _sincere_ even in his most despotic acts, from a sense that that _is_ the _only_ way to govern; he is not, I am sure, aware of the dreadful cases of individual misery which he so often causes, for I can see by various instances that he is kept in utter ignorance of"
"In fact the word sincere literally means “without hypocrisy.”"