De coy means to mislead, trick or deceive someone into doing something they don't want to do. The opposite of de coy would be to encourage someone to be honest, forthright and candid, instead of being deceptive or manipulative. Antonyms for the word "de coy" include openness, sincerity, honesty, and truthfulness. When you are dealing with someone, it is important to be open and genuine, so that you can build trust and establish good relationships. Being de coy may seem like an easy way to get what you want, but in the long run, it is always better to be honest and forthright.