Writing & Editing 43 percent of singles say bad grammar is a turnoff A survey found that many online daters consider lousy grammar a turnoff and more than a third consider good grammar ‘sexy.’ By Michael SebastianFeb. 7, 2013 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.