The word "out-righter" refers to someone who is honest and straightforward in their opinions and actions. The antonyms for this word would be someone who is dishonest and devious. These individuals might be disingenuous, insincere, or untrustworthy. They could also be manipulative, covert, or underhanded. In contrast to an "out-righter," these individuals might mask their true intentions with flattery or subterfuge. They might also hold back their true opinions or strive to deceive others. Overall, the antonyms for "out-righter" point to a lack of integrity and a tendency towards deceitfulness.