Plain-spokenly is an adverb that refers to speaking in a straightforward and direct manner, without using any pretense or euphemism. There are many synonyms for this word that convey similar meanings, including bluntly, candidly, frankly, openly, honestly, truthfully, forthrightly, directly, unreservedly, unequivocally, transparently, and sincerely. All of these words convey a sense of honesty, openness, and simplicity. They are ideal for situations where a speaker wants to express a clear opinion or convey an important message without any ambiguity. By using these synonyms, a speaker can emphasize their sincerity and authenticity and connect with their audience on a personal level.