This is the 2659th most frequent Russian word.
честно
Honestly.
It's used as an adverbial expression meaning 'honestly' or 'to be honest' to introduce a personal viewpoint or opinion.
Честно говоря, я не уверен, что это хорошая идея.
To be honest, I am not sure if this is a good idea.
Here, it is employed as an adverb that describes the manner of the action, implying fairness or integrity.
Он всегда играет честно, никогда не обманывает.
He always plays honestly, never cheats.
In this sentence, it is used as an adverb to emphasize candor and straightforwardness in expressing thoughts or opinions.