Four-flushes refer to someone who is dishonest or insincere. The antonyms for this word include candid, sincere, truthful, and honest. When someone is candid, they express themselves openly and honestly. They do not withhold or sugarcoat their thoughts and feelings. Sincerity, on the other hand, is displaying genuine and true feelings. When someone is truthful, they are accurate and honest in what they say or do. Lastly, those who are honest are straightforward and truthful in their dealings with others. Using these words as antonyms for four-flushes emphasizes the importance of being truthful and sincere in all our dealings to maintain trust and credibility.